Organic Chemistry Flashcards
In benzene, what is the valence bond hybridization on each carbon atom?
A. sp
B. sp2
C. sp3
D. spd
B. sp2
Which of the following is called methyl chloride?
A. CH3Cl
B. CH2Cl
C. CHCl3
D. CCl4
A. CH3Cl
Which of the following is propanone?
A. CH3COCH3
B. CH3CO2H
C. CH3CHO
D. HCHO
A. CH3COCH3
What class of compounds is represented by the type formula ROR’?
A. esters
B. ketones
C. ethers
D. aldehydes
C. ethers
Name the compound CH3(CH2)COOH.
A. benzoic acid
B. carboxylic acid
C. octanoic acid
D. maleic acid
C. octanoic acid
Name the compound (C6H5)2O.
A. diethyl ether
B. diphenyl ether
C. diethyl amine
D. benzyl alcoho
B. diphenyl ether
Which of the following is bromobenzene?
A. CH3CH2NH2
B. CH3CH2CHO
C. C6H5Br
D. C6H11Br
C. C6H5Br
Which of the following is an amide?
A. CH3NH2
B. HCONH2
C. CH2O
D. CH3OH
B. HCONH2
Which of the following is an amine
A. CH3NH2
B. HCONH2
C. CH3F
D. CH3COOH3
A. CH3NH2
What continuous-chain hydrocarbon is isomeric with 2-methyl-3-ethylhexane?
A. octane
B. nonane
C. decane
D. dodecane
B. nonane
Give a straight-chain hydrocarbon that is isomeric with 2,2,4-trinethylpentane
A. heptane
B. octane
C. nonane
D. decane
B. octane
How many isomers are there corresponding to the formula C4H10O?
A. 4
B. 5
C. 6
D. 7
D. 7
How many structural isomers are possible for C2H4Cl2?
A. 2
B. 3
C. 4
D. 5
A. 2
Which of the following compounds can exist as geometric isomers?
A. CH2Cl2
B. CH2Cl-CH2Cl
C. CHBr=CHCl
D.CH2Cl-CH2Br
C. CHBr=CHCl
Which of the following molecules is a Bronsted base?
A. C5H5N
B. C2H5OH
C. C6H5OH
D. C2H5OCH3
A. C5H5N
What kind of hybrid orbitals are formed on the carbon atoms in cyclopropane?
A. sp
B. sp2
C. sp3
D.spd
C. sp3
Which of the following involve redox reactions?
A. evaporation of water
B. production by lighting of ozone from CO2
C. reaction of H2SO4 with NaOH
D. burning of gasoline
D. burning of gasoline
It is hard naturally occurring trans polyisoprene.
A. hevea rubber
B. gutta percha
C. ABS
D. PPO
B. gutta percha
A polymer produced by the condensation of terephthaldehyde and methyl-1,4-phenelene diamine.
A. tupperware
B. aramids
C. Vectra
D. polyazomethine
D. polyazomethine
Which of the following structure represents that of vinyl chloride?
A. C2H3Cl
B. C2H2Cl2
C. C2H2ClF
D. C2Cl4
A. C2H3Cl
It is obtained from milky secretion of various plants such as the tree Hevea braisiensis.
A. natural rubber
B. PAI
C. Xenoy
D. collagen
A. natural rubber
Polymers which are capable of forming an ordered solution.
A. mesogenic
B. hematic
C. thermotropic
D. lyotropic
D. lyotropic
Which of the following is a crystalline polymer which is used primarily as a film?
A. PVC
B. PVF
C. PTFE
D. TFE
B. PVF
Polymer which are capable of forming an ordered melt.
A. mesogenic
B. hematic
C. thermotropic
D. lyotropic
C. thermotropic
A polymer composite used as food containers for ovenable dishes.
A. fiber glass polyester
B. BMC polyester
C. SMC
D. PTFE
B. BMC polyester
In chemical reactions involving alkenes, halogen atoms can replace hydrogen atoms. These reactions are called
A. combustion
B. dehydrogenation
C. substitution
D. addition
A. combustion
Which of the following is the most acidic?
A. 1-butanol
B. 2-butanol
C. tert butanol
D. phenol
B. 2-butanol
Bonding between carbon atoms
A. electrovalent and strong
B. electrovalent and weak
C. covalent and strong
D. covalent and weak
The formula of acrylonitrite
A. C3H4N
B. C3H5N2
C. C3H3N
D. C2H2N
C. C3H3N
Which of the following is not an aliphatic hydrocarbon?
A. n-octane
B. n-tridecane
C. propylene
D. toluene
D. toluene
Which of the following compounds is incorrectly named:
A. p-chloroaniline
B. ethyl benzene
C. 3-methyl pentane
D. 2-ethyl butane
D. 2-ethyl butane
An isomer of ethanol is
A. Methanol
B. ethylene glycol
C. dimethyl ether
D. acetone
C. dimethyl ether
It is the attraction between like molecules.
A. absorption
B. diffusion
C. adhesion
D. cohesion
C. adhesion
The hydrate named as sodium carbonate decahydrate is commonly called
A. baking soda
B. washing soda
C. soda lime
D. caustic soda
B. washing soda
The energy needed to remove an electron from a neutral atom is
A. electron affinity
B. electronegativity
C. first ionization energy
D. ductility
C. first ionization energy
The electron configuration of phosphide ion is (atomic number = 15) is
A. [Ne]3s2
B. [Ne]3s23p2
C. [Ar]
D. [Ne]3s23p3
A. [Ne]3s2
Two electrons in the same atom that have identical values of the quantum numbers n,l and ml are said to be in:
A. the same shell & subshell but different orbital
B. the same shell, subshell & orbital
C. the same shell, but different subshell and orbitals
D. different shells, subshell and orbitals
B. the same shell, subshell & orbital
Oxides that react with water to form acids or that are formed by the removal of water from acids, are known as
A. anhydride
B. basic anhydride
C. acid anhydride
D. salt anhydride
C. acid anhydride
The product obtained by the fermentation of wet cellulose is
A. ethane
B. ethyne
C. methane
D. ethane
C. methane
The high polymer of chloroprene is known as
A. 2-chlorobutadiene
B. Narcylene
C. Neoprene
D. vinyl acetylen
C. Neoprene
One of the best fuel that detonates only at high temperature is
A. n-heptane
B. iso-octane
C. gasoline
D. catane
B. iso-octane
Which of the following is known as Freon?
A. CCl2F2
B. CH2F2
C. CHCl2F2
D. CF4
A. CCl2F2
ClCH2 CHCl2 is named as
A. 1,1,2 trichloro ethane
B. 1,1,2,2 tetrachloro ethane
C. 1,1,1,2 tetrachloro ethane
D. none is correct
A. 1,1,2 trichloro ethane
In the SN2 reaction mechanism, which one of the following is the most reactive?
A. C6H6
B. CH3X
C. CH3OH
D. RCH2OH
B. CH3X
Calcium carbide on interaction with water gives
A. acetylene
B. propylene
C. ethene
D. ethyne
A. acetylene
Methane reacts with N2 in the presence of electric arc giving
A. methyl nitride
B. nitro methane
C. hydrocyanic acid
D. none is correct
C. hydrocyanic acid
What happens when methane is passed through electric arc or subjected to high temperature obtained by partial combustion
A. acetylene and ethane are formed
B. carbon and hydrogen are formed
C. CH2 and H2 is formed
D. acetylene is formed
D. acetylene is formed
When methane is heated in the absence of air or O2 it break up to give carbon and hydrogen. The process is named as
A. cracking
B. polymerization
C. pyrolysis
D. decomposition
C. pyrolysis
Methane on oxidation with ozone give
A. CO2 + H2
B. formaldehyde
C. methyl alcohol
D. methanal
D. methanal
Ethylene on interaction with alk. KMnO4 (Baeyers reagent) gives
A. oxalic acid
B. ethyl alcohol
C. HCHO
D. glycol
D. glycol
Dehydration of ethylene gives a product which on hydrolysis yields
A. CH3OH
B. C2H5OH
C. C3H7OH
D. ester
B. C2H5OH
Kerosene oil is used as an
A. alkanes
B. alcohols
C. aromatic acids
D. aliphatic acids
A. alkanes
The chemical process which occurs when water is added to cement is
A. oxidation
B. Brownian movement
C. plastic flow
D. hydration
D. hydration
Which of the following organic chemicals is most soluble to water?
A. CH3CH3
B. CH3OH
C. CCl4
D. CH4
B. CH3OH
What structures to bothe aldehydes and ketones contains?
A. the carbonyl group
B. the carboxyl group
C. the hydroxyl group
D. the amino group
A. the carbonyl group
Two major types of chemical bonds are observed in chemical bonding: ionic and covalent. Which of the following has a bond that is the least ionic in
character?
A. NaCl
B. CH4
C. H2
D. H2O
C. H2
Which of the following would not burn?
A. CH4
B. CH3OH
C. CCl4
D. CH3CH2OCH2CH3
C. CCl4
Which of the following is chlorofluorocarbon?
A. CHCl3
B. CFCl3
C. C3F8
D. CFCl3
B. CFCl3
Which of the following is chloroform?
A. CH3Cl
B. CH2Cl2
C. CHCl3
D. CFCl3
C. CHCl3
The compound CH3CH2Cl is named.
A. carbon dichloride
B. methyl chloride
C. methylene chloride
D. ethyl chloride
D. ethyl chloride
Which alcohol is the least dangerous to drink?
A. methyl alcohol
B. isopropyl alcohol
C. ethyl alcohol
D. all are equally dangerous
C. ethyl alcohol
Grain alcohol in United States is made
A. from coal
B. by fermenting starches and sugar
C. from vinegar
D. by fermenting acetic acid
B. by fermenting starches and sugar
A combination of atoms that confers certain chemical physical properties on a compound is called a(n)
A. ether
B. functional group
C. hydrogen bond
D. homolog
B. functional group
The correct name for CH3-O-CH3 is
A. dimethyl ether
B. ethyl ether
C. diethyl ether
D. oxyethane
A. dimethyl ether
Vodka that is 90 proof contains what percent of alcohol?
A. 9
B. 45
C. 90
D. 180
B. 45
Wood alcohol is the same as
A. methanol
B. 2-propanol
C. grain alcohol
D. rubbing
Wood alcohol is the same as
A. methanol
Phenol is
A. C6H11-OH
B. CH3CH2CH2OH
C. CH3CH2CH2CH2CH2OH
D. C6H5-OH
D. C6H5-OH
The alcohol present in alcoholic beverages is
A. methyl alcohol
B. ethyl alcohol
C. denatured alcohol
D. wood alcohol
B. ethyl alcohol
Denatured alcohol refers to
A. any alcohol not produced by fermentation
B. grain alcohol that is highly taxed
C. ethyl alcohol that has been treated with something to make it unfit to drink
D. methanol
C. ethyl alcohol that has been treated with something to make it unfit to drink
The toxicity of methyl alcohol results from its oxidation by liver enzymes to
A. carbon dioxide
B. formaldehyde
C. grain alcohol
D. methanol
B. formaldehyde
When ingested, ethanol acts as a(n)
A. stimulant
B. depressant
C. antiseptic
D. analgesic
B. depressant
Fermentation of carbohydrates leads to the formation of
A. methanol
B. ethanol
C. glucose
D. formaldehyde
B. ethanol
The name of the functional group of aldehydes and ketones is the
A. carbonyl group
B. carboxyl group
C. aldehyde group
D. hydroxyl group
A. carbonyl group
Which is not a mineral acid?
A. HNO3
B. HCl
C. HCOOH
D. H2SO4
C. HCOOH
What acid is found in vinegar?
A. formic acid
B. nitric acid
C. propionic acid
D. acetic acid
D. acetic acid
The product of the reaction between an alcohol and a carboxylic acid is known as a(n)
A. acid anhydride
B. ester
C. ether
D. salt
B. ester
Alkaloids can best be generally classified with the
A. alcohols
B. acids
C. amines
D. amides
C. amines
The small molecule starting materials from which polymers are constructed are called
A. hydrocarbons
B. monomers
C. segmers
D. plasticizers
B. monomers
In chemical usage, a plastic is a substance that
A. will return to its original shape after being stretched
B. softens on heating and can be molded under pressure
C. hardens under the influence of heat and pressure
D. is a cheap imitation of natural materials
B. softens on heating and can be molded under pressure
Which compound would not serve as a monomer for addition polymerization?
A. CH2=CHCN
B. CH2=CHCl
C. CH2=CHCOOH
D. HOCH2COOH
D. HOCH2COOH
Styrofoam picnic coolers are made from
A. CH2=CH2
B. CH2=CHCl
C. CH2=CHCN
D. CH2=CH-C6H5
D. CH2=CH-C6H5
The nonstick coating on cookware is made from
A. CH2=CH2
B. CH2=CHCl
C. CH2=CHCN
D. CF2=CF2
D. CF2=CF2
Vinyl hardtops for automobiles are made from
A. CH2=CH2
B. CH2=CHCl
C. CH2=CHCN
D. CF2=CF2
B. CH2=CHCl
Plastic bags are usually made from
A. CH2=CH2
B. CH2=CHCl
C. CH2=CHCN
D. CH2=CH-C6H5
A. CH2=CH2
Natural rubber is
A. polyethylene
B. neoprene
C. polysoprene
D. polyvinyl chloride
C. polysoprene
Which if any, are not true of the vulcanization process?
A. it results in sulfur bridges between polymer chains
B. it increases the hardness of natural rubber
C. it improves the elasticity of natural rubber
D. all of the above are true of the vulcanization process
D. all of the above are true of the vulcanization process
Which does not apply to the polymer Bakelite?
A. it is a copolymer
B. it is a condensation polymer
C. it is a cross-linked polymer
D. it is an elastomer
D. it is an elastomer
Dacron is a
A. polyamide
B. polyester
C. polyolefin
D. acrylic fibers
B. polyester
Nylons are
A. polyamide
B. polyester
C. polyolefin
D. acrylic fibers
A. polyamide
What is the functional group linking the segments of nylon?
A. amide
B. ester
C. C=C
D. C=O
A. amide
Plasticizers are
A. polymers that have elastic properties
B. polymers that soften on heating
C. molecules that confer pliability on otherwise brittle polymers
D. extremely toxic
C. molecules that confer pliability on otherwise brittle polymers
Which compounds have not been used as plasticizers?
A. phthalate esters
B. polychlorinated biphenyl
C. vinyl chlorides
D. camphor
C. vinyl chlorides
Disposal of synthetic plastics is complicated by
A. the large volume of these materials that accumulate as trash
B. the non-biodegradable nature of most synthetic plastic
C. the toxicity of some gases produced when the materials are burned
D. all of the above are valid
D. all of the above are valid
The temperature at which a polymer changes from hard and brittle to rubbery and tough is called its
A. boiling point
B. melting point
C. glass transition temperature
D. thermosetting temperature
C. glass transition temperature
Burning polyacrylonitrite (Orlon) generates
A. O2
B. HCl
C. HCN
D. N2O
C. HCN
Burning polyvinyl chloride generates
A. O2
B. HCl
C. HCN
D. N2O
B. HCl
Carbon forms
A. 2 ionic bonds
B. 2 covalent bonds
C. 4 ionic bonds
D. 4 covalent bonds
D. 4 covalent bonds
The methyl group is the simplest
A. alkyl group
B. alkane
C. alkene
D. alkyne
A. alkyl group
The correct structural formula for 2-pentyne is
A. CHΞC-CH2-CH2-CH3
B. CH3-CΞC-CH2-CH3
C. CH3-CHΞCH-CH2-CH3
D. CH3-CH2-CH2-CH2-CH3
C. CH3-CHΞCH-CH2-CH3
When an alkane burns completely in air, it forms
A. carbon monoxide and water
B. carbon dioxide and water
C. carbon and pentane
D. carbon dioxide and carbon monoxid
B. carbon dioxide and water
A cycloalkane consist of
A. a straight chain of carbon atoms with two or three hydrogen atom attached to each carbon
B. a ring of carbon atoms with two hydrogen atoms connected to every carbon atom
C. a ring of carbon atoms with three hydrogen atoms connected to every carbon atom
D. a ring of alkane molecules joined together
B. a ring of carbon atoms with two hydrogen atoms connected to every carbon atom
Each bond in a benzene molecule is considered
A. more than double bond, less than a triple bond
B. a double bond
C. a single bond
D. more than a single bond, less than a double bond
D. more than a single bond, less than a double bond
Benzene undergoes substitution reactions rather than addition reactions because its ring structure is
A. extremely unstable
B. saturated
C. very stable
D. unsaturated
C. very stable
Chlorobenzene forms when a halogen reacts in an
A. alkyl halide
B. alkyne
C. alkane
D. aromatic hydrocarbon
D. aromatic hydrocarbon
All functional groups must combine with
A. only one hydrocarbon group
B. more than three hydrocarbon group
C. one or more hydrocarbon group D. two or more hydrocarbon group
C. one or more hydrocarbon group
CH3CH2CH2OH is the formula for
A. propyl alcohol
B. amyl alcohol
C. butyl alcohol
D. methyl alcoho
A. propyl alcohol
A patient would be most likely to be given a sponge bath with
A. ethyl alcohol
B. methyl alcohol
C. isopropyl alcohol
D. menthol
A. ethyl alcohol
The common name for CH3-O-CH3 is
A. diethyl ether
B. methyl ether
C. ether
D. divinyl ether
B. methyl ether
An aldehyde used as preservative and a germicide is
A. paraldehyde
B. benzaldehyde
C. acetaldehyde
D. formaldehyde
D. formaldehyde
The formation of disulfides through oxidation of two thiols is important for
A. producing disagreeable odors
B. maintaining the structure of protein
C. producing red dyes
D. testing kidney function
B. maintaining the structure of protein
An amine consist of
A. a hydrocarbon in which halogens take the place of hydrogen atoms
B. a hydrocarbon which contains sulfur instead of oxygen
C. a carboxyl acid group combined with a halogen
D. an ammonia molecule in which one to three hydrogen are replaced by hydrocarbon groups
D. an ammonia molecule in which one to three hydrogen are replaced by hydrocarbon groups
In a quaternary ammonium salt, nitrogen is surrounded by four
A. oxygen atoms
B. sulfur atoms
C. chlorine atoms
D. carbon atoms
D. carbon atoms
Which of the following is not an alkaloid?
A. procaine
B. codeine
C. cocaine
D. morphine
A. procaine
Which of the following is true?
A. polymers are plastics
B. plastics are polymers
C. a plastic is never a polymer
D. a polymer is never a plastic
B. plastics are polymers
Which of the following is not an addition polymer?
A. Orlon
B. Nylon
C. polyethylene
D. Teflon
B. Nylon
Polyesters and polyamides are common
A. alkaloids
B. ammonium salts
C. condensation polymers
D. purines
C. condensation polymers
An organic compound is a compound that
A. contains carbon and was formed only by living organism
B. is a natural compound that has not been synthesized
C. contains carbon, whether it was formed by living thing or not
D. was formed by a plan
C. contains carbon, whether it was formed by living thing or not
There are millions of organic compounds but only thousands of inorganic compounds because
A. organic compounds were formed by living things
B. there is more carbon on the Earth’s surface than any other element
C. atoms of elements other than carbon never combine with themselves
D. carbon atoms can combine with up to four other atoms including other carbon atoms
D. carbon atoms can combine with up to four other atoms including other carbon atoms
You know for sure that the compound named decane has
A. more than 10 isomers
B. 10 carbon atoms in each molecule
C. only single bonds
D. all of the above
D. all of the above
An alkane with 4 carbon atoms would have how many hydrogen atoms in each molecule?
A. 4
B. 8
C. 10
D. 16
C. 10
Isomers are compounds with the same
A. molecular formula with different structures
B. molecular formula with different atomic masses
C. atoms, but different molecular formulas
D. structures, but different formulas
A. molecular formula with different structures
Isomers have
A. the same chemical and physical properties
B. the same chemical but different physical properties
C. the same physical, but different chemical properties
D. the same physical, and chemical properties
D. the same physical, and chemical properties
The organic compound 2,2,4-trimethylpentane is an isomer of
A. propane
B. pentane
C. heptane
D. octane
B. pentane
The hydrocarbons with a double covalent carbon-carbon bond are called
A. alkanes
B. alkenes
C. alkynes
D. none of the above
A. alkanes
According to their definitions, which of the following would not occur as unsaturated hydrocarbon?
A. alkanes
B. alkenes
C. alkynes
D. none of the above is correc
C. alkynes
Petroleum is believed to have formed mostly from the anaerobic decomposition of buried
A. dinosaurs
B. fish
C. pine trees
D. plankton and algae
C. pine trees
Hydrogen bonding may form by the attraction between
A. one hydrogen atom to another in water molecule
B. hydrogen and oxygen within a water molecule
C. the oxygen part of one water molecule to the hydrogen part of another water molecule
D. the hydrogen part of one water molecule to the hydrogen part of another water molecule
C. the oxygen part of one water molecule to the hydrogen part of another water molecule
Because an alkene has a double bond it is considered
A. hydrated
B. unsaturated
C. saturated
D. dehydrated
B. unsaturated
A polynuclear aromatic hydrocarbon is made by fusing together at least
A. two benzene rings
B. two cycloalkanes
C. three alkyl groups
D. two alkynes
A. two benzene rings
When an alcohol is dehydrated it forms
A. an aldehyde
B. an acid
C. an alkene
D. a ketone
C. an alkene
When an ether oxidizes, it forms
A. an aldehyde
B. an acid
C. an alkene
D. an alcohol
B. an acid
If an aldehyde is placed in Benedict’s solution, it reacts to form
A. cuprous oxide and an acid
B. cuprous oxide and a base
C. copper and carbon dioxide
D. copper and an acid
A. cuprous oxide and an acid
A carboxylate group consist of
A. an oxygen atom double bonded to a hydrogen atom
B. a carbon atom double bonded to a hydroxyl group
C. the carboxyl group minus the hydrogen group
D. a hydrogen atom double bonded to a carbon atom
C. the carboxyl group minus the hydrogen group
When an ester is hydrolyzed, the end products are
A. water and a base
B. an acid and water
C. an acid and an alcohol
D. an acid and a base
C. an acid and an alcohol
______ is an example of an alkyl halide.
A. NaCl
B. CHCl3
C. CF2=CF2
D. KCl
B. CHCl3
If “thio” appears on the name of a compound, you know that the compound contains a functional group based on
A. oxygen
B. hydrogen
C. a halogen
D. sulfur
D. sulfur
Amyl nitrite contains the following functional group
A. –NO2
B. –ONO
C. –ONC2
D. –CΞN
B. –ONO
The largest carbohydrates are called
A. polysaccharides
B. oligosaccharides
C. monosaccharides
D. disaccharides
A. polysaccharides
A 3-carbon monosaccharide is a
A. triose
B. tetrose
C. hexose
D. pentose
B. tetrose
Most glucose molecules in solution exist in
A. the open form
B. the closed beta form
C. the closed alpha form
D. equal amounts of the three forms
D. equal amounts of the three forms
Which of the following pairs are epimers?
A. glucose and fructose
B. glucose and sucrose
C. galactose and fructose
D. galactose and glucose
D. galactose and glucose
Invert sugar consist of fructose and
A. maltose
B. lactose
C. sucrose
D. glucose
D. glucose
The most abundant organic substance found in nature is
A. starch
B. glycogen
C. cellulose
D. dextran
C. cellulose
Sugars in which the aldehyde group can be oxidized to a carboxylic acid group are called
A. glycosides
B. glucosides
C. reducing sugars
D. phosphate esters
C. reducing sugars
Natural monosaccharides have
A. the L configuration
B. the D configuration
C. an equal mixture of the D and L configurations
D. more of the L than D configuration
B. the D configuration
In most fatty acids, the carbons are arranged in a
A. ring
B. straight chain, with a carboxylic acid group in the middle
C. branched chains, with a carboxylic group at the center
D. straight chain, with a carboxylic acid group at one end
D. straight chain, with a carboxylic acid group at one end
A soap molecule
A. is nonpolar
B. is polar
C. has a nonpolar end and a polar end
D. becomes nonpolar in solution
C. has a nonpolar end and a polar end
The wax used to make dental impressions is
A. beeswax
B. cerumen
C. lanolin
D. camauba wax
A. beeswax
Which characteristics is not true for oils?
A. mostly vegetable origin
B. liquid at room temperature
C. saturated
D. high iodine number
C. saturated
Saponification is a reaction in which a tricylglycerol reacts with a strong base to form
A. glycerol and three soap molecules
B. glycerol and three water molecules
C. three fatty acid molecules and water
D. oleic aicd and water
A. glycerol and three soap molecules
Which fuciton does fat not perform?
A. reserve supply of energy
B. insulation against the cold
C. maintenance of stable pH in blood
D. protection of organs
C. maintenance of stable pH in blood
Phospolipids differ from triacyglycerols in that one of the hydroxyl groups of glycerol is esterified with
A. phosphorous
B. phosphoric acid
C. phosphoglyceride
D. phosphatidyl choline
B. phosphoric acid
In active transport
A. no energy is expected
B. molecules are carried from a region of low concentration to one of greater concentration
C. only water molecules pass through the membrane
D. the process takes place as in diffusion
B. molecules are carried from a region of low concentration to one of greater concentration
All halogens have similar reactivity because
A. they have the same number of protons
B. they have the same number of electrons
C. they have similar outer shell electron configurations
D. they have valence electrons with the same quantum numbers
C. they have similar outer shell electron configurations
Ethylene readily undergoes the following type of reaction
A. addition
B. elimination
C. substitution
D. rearrangement
A. addition
Which one of the following methods is used in the preparation of methane?
A. by the electrolysis of aluminum carbide
B. by heating aluminum carbide
C. by heating sodium acetate with soda lime
D. by the interaction of sodium acetate with water
C. by heating sodium acetate with soda lime
Dehydration of Ethylene gives a product of which on hydrolysis yields
A. CH3OH
B. C2H5OH
C. C3H7OH
D. ester
B. C2H5OH
Which of the following structures represents that of vinyl chloride?
A. C2H3Cl
B. C2H2Cl
C. C2H2ClF
D. C2Cl4
B. C2H2Cl
Which of the following is a crystalline polymer which is used primarily as a film?
A. PVC
B. PVF
C. PTFE
D. TFE
C. PTFE
Polymers which are capable of forming an ordered melt
A. mesogenic
B. hematic
C. thermotropic
D. lyotropic
C. thermotropic
A compound produced by the reaction of cellulose and nitric acid
A. Kevlar
B. A-glass
C. celluloid
D. cellulose nitrate
D. cellulose nitrate
It refers to the number of reactive groups in a molecule
A. degree of polymerization
B. functionality
C. molecularity
D. reactivity
B. functionality
Aldehydes maybe prepared by oxidizing
A. primary alcohols
B. secondary alcohols
C. tertiary alcohols
D. ketones
A. primary alcohols
What type of isomerism is exhibited by the pairs CH3COCH3 and CH3CH2CHO?
A. skeletal isomers
B. position isomers
C. functional group isomers
D. tautomers
C. functional group isomers
The monomer unit in for Teflon is
A. styrene
B. ethane
C. tetraflouroethylene
D. propene
C. tetraflouroethylene
In general isomer should have the same
A. boiling point
B. number of carbon atoms
C. molecular mass
D. density
C. molecular mass
Fats and oil are more formed when fatty acids react with
A. ammonia
B. phenol
C. glycerol
D. acetic acid
C. glycerol
It is linear polymer which maybe reversibly softened by heat and solidified by cooling
A. thermosets
B. thermoplastic
C. polymer
D. copolymer
B. thermoplastic
The inventor of PF plastic (bakelite)
A. Patrick
B. Carothers
C. Baekeland
D. Kienle
C. Baekeland
The general formula of PVC
A. (CH2CH2)n
B. (Cl2CCFCl)n
C. (CH2CHCl)n
D. (CF2CF2CF)
C. (CH2CHCl)n
A hard amorphous transparent, brittle material produced by the fusion of silicates with basic compounds, such as carbonate and/or limestone
A. cement
B. clay
C. glass
D. granite
C. glass
An instrument for determining the effect of polarized light as it passes through the material being
A. spectrophotometer
B. polariscope
C. gyroscope
D. telescope
B. polariscope
The temperature at which a glassy polymer becomes flexible as the temperature is increased.
A. melting point
B. glass transition
C. fusion point
D. annealing point
B. glass transition
The property of thermoplastic composite is ____ to the diameter of the fiber
A. independent of
B. dependent of
C. directly proportional
D. inversely proportional
D. inversely proportional
Secondary alcohol when undergoes oxidation forms
A. aldehydes
B. acid
C. ketone
D. ester
C. ketone
A positive result in Schiff’s test means presence of
A. ketones
B. aldehydes
C. amine
D. ether
B. aldehydes
Compounds with general formula (C5H8)n
A. alkanes
B. terpenes
C. elastomers
D. enantiomers
B. terpenes
An acid chloride forms an ester by which of the following reactions?
A. reduction
B. oxidation
C. hydrolysis
D. alcoholysis
D. alcoholysis
Which of the following is not a derivative of carboxylic acid?
A. amine
B. ester
C. aldehyde
D. alcohol
A. amine
Which of the following is not a derivative of benzene?
A. naphthalene
B. anthracene
C. phenanthrene
D. bromomethane
D. bromomethane
One ingredient present in all baking poweders
A. sodium citrate
B. sodium metabisulfate
C. sodium bicarbonate
D. potassium tartrate
C. sodium bicarbonate
A copolymer of isobutylene with a small amount (5% ) of isoprene
A. butyl rubber
B. Buna
C. chloroprene
D. elastomer
A. butyl rubber
Finely divided amorphous carbon particles produced by the incomplete combustion of a hydrocarbon.
A. diamond
B. fullerenes
C. carbon black
D. emulsion
C. carbon black
In most fatty acids, the carbons are arranged in a
A. ring
B. straight chain, with a carboxylic acid group in the middle
C. branched chains, with a carboxylic group at the center
D. straight chain, with a carboxylic acid group at one end
D. straight chain, with a carboxylic acid group at one end
A soap molecule
A. is nonpolar
B. is polar
C. has a nonpolar end and a polar end
D. becomes nonpolar in solution
C. has a nonpolar end and a polar end
It is a hydrocarbon chain which is composed of two or more different mer units
A. monopolymers
B. polymers
C. copolymers
D. oligomers
B. polymers
A polymer molecular structure in which ther mer units are joined together end to end in single chains
A. linear
B. branched
C. crosslinked
D. network
A. linear
It denotes a situation in which the mer units are linked together in the same order (head-to-tail) but differ in their spatial arrangement
A. allotropy
B. isomerism
C. polymorphism
D. stereoisomerism
D. stereoisomerism
A copolymer whose mer units are randomly dispersed along the chain
A. random copolymer
B. alternating copolymer
C. block copolymer
D. graft copolymer
A. random copolymer
Which of the following does not belong to the group?
A. rubber
B. cotton
C. cement
D. leather
C. cement
Which of the following is not a forming operation?
A. forging
B. drawing
C. rolling
D. welding
D. welding
The hydrate named as sodium carbonate decahydrate is commonly called
A. baking soda
B. washing soda
C. soda lime
D. caustic soda
B. washing soda
Name the compound HCO2H
A. methyl formate
B. acetone
C. dimethyl ether
D. formic acid
D. formic acid
An example of water soluble is
A. vitamin C
B. vitamin A
C. vitamin E
D. vitamin K
A. vitamin C
All halogens have similar reactivity because
A. they have the same number of protons
B. they have the same number of electrons
C. they have similar outer shell electron configurations
D. they have valence electrons with the same quantum numbers
C. they have similar outer shell electron configurations
sp2 hybridization will be found for carbon in
A. CH4
B. C2H4
C. C2H2
D. CH3OH
B. C2H4
Which of the following is responsible for the abnormally high boiling point of water?
A. covalent bonding
B. ionic bonding
C. high polarity
D. large dielectric
B. ionic bonding
______ involves electron transfer from one atom to another
A. covalent bonding
B. ionic bonding
C. hydrogen bonding
D. metallic bonding
B. ionic bonding
Which of the following is most soluble in water?
A. hexanol
B. benzene
C. acetic acid
D. acetylene
C. acetic acid
Which of the following has a dipole moment of zero?
A. CH4
B. CH3Cl
C. H2O
D. HF
A. CH4
Which of the following is least polar?
A. H-I
B. P-Br
C. C-Cl
D. C-I
D. C-I
The alkane containing a total of 20 hydrogen atoms must be an isomer of
A. cyclononane
B. decane
C. eicosane
D. nonane
D. nonane
The molecular formula for 2-methyl hexane is
A. C6H12
B. C6H14
C. C7H14
D. C7H16
D. C7H16
Which of the following is an isomer of pentane are there?
A. 3-ethylpentane
B. 2-methyloctance
C. 2-methylpentane
D. methylcyclohexane
A. 3-ethylpentane
How many different isomers of pentane are there?
A. only one
B. three
C. four
D. five
D. five
Which has the most number of carbon atoms; tricholormethane, dichloromethane, chloromethane?
A. trichloromethane
B. dichloromethane
C. chloromethane
D. all the same
B. dichloromethane
How many carbon atoms are there in 2-bromo-2-pentene?
A. 6
B. 5
C. 4
D. 3
D. 3
How many halogens are there in period 3?
A. 4
B. 3
C. 2
D. 1
B. 3
Reactions which occur in a single step
A. series reaction
B. homogenous reaction
C. parallel reaction
D. elementary reaction
D. elementary reaction
Which of the following is not an alphatic hydrocarbon?
A. n-octane
B. n-tridecane
C. propylene
D. toluene
D. toluene
No carbonyl group is found in:
A. ether
B. aldehyde
C. ketone
D. carboxylic acid
A. ether
A compound which has a bond formed by the overlap of sp-sp3 hybrid orbital is:
A. HC=CH
B. CH3-CΞCH
C. CH3-CH=CH2
D. H2C=C=CH2
B. CH3-CΞCH
The Lucas test is used to determine the types of:
A. alcohols
B. dehydrations
C. acids
D. amino acids
A. alcohols
A reaction in which the elements of water are eliminated from a molecule
A. hydrolysis
B. dehydration
C. dehydrogenation
D. hydrogenation
B. dehydration
It is an addition reaction initiated by an electron-deficient species
A. electrophilic
B. nucleophilic
C. carbionic
D. reversible
A. electrophilic
Which of the following is a saturated hydrocarbon
A. alkane
B. alkene
C. alkyne
D. alkadiene
A. alkane
Which of the following has the highest boiling point?
A. hexane
B. octane
C. decane
D. eicosane
D. eicosane
In the fractional distillation of crude petroleum, gasoline is the fraction whose number of carbon in a molecule ranges from ____
A. C1-C4
B. C5-C10
C. C11-C18
D. C15-C18
B. C5-C10
What fraction of crude petroleum has 20 or more carbon atoms in a molecule?
A. kerosene
B. gas-oil
C. wax
D. residue
C. wax
A reaction in which atoms or groups are removed from adjacent atoms to form a double or triple bond
A. substitution
B. elimination
C. addition
D. polymerization
B. elimination
It is a specie that has a nonbonding pair of outer-shell electrons that it can share in a chemical reaction
A. Lewis base
B. Lewis acid
C. Arrhenius acid
D. Arrhenius base
A. Lewis base
It is a reaction in which the element of hydrogen are introduced into a molecule
A. halogenation
B. polymerization
C. hydrogenation
D. alkylation
C. hydrogenation
A process in which rubber is treated with sulfur to improve its properties
A. vulcanization
B. polymerization
C. condensation
D. cross-linking
A. vulcanization
Which if the following aromatic compounds is the oil of wintergreen?
A. methyl salicylate
B. cinnamaldehyde
C. eugenol
D. vanilla
A. methyl salicylate
Which if the following aromatic hydrocarbon is consist of two benzene rings?
A. toluene
B. naphthalene
C. anthracene
D. phenanthrene
B. naphthalene
Which of the following is meta directing radical?
A. alkyl
B. halogen
C. amino
D. cyano
D. cyano
Which of the following is an ortho-para directing radical?
A. aldehyde
B. ketone
C. amino
D. hydroxyl
D. hydroxyl
Isomers with the same bonding attachments of atoms but different spatial orientations
A. stereosimers
B. geometric isomers
C. conformational isomers
D. optical isomers
A. stereosimers
Isomers that differ as a result of the degree of rotation around a carbon-carbon single bond
A. stereosimers
B. geometric isomers
C. conformational isomers
D. optical isomers
B. geometric isomers
What does the acronym DDT means?
A. dichlorodiphenyl trichloroethane
B. difluorodiphenyltrimethyl ethane
C. difluoromethyl trichloro ethane
D. dichlorodimethyl-trichloroethane
B. difluorodiphenyltrimethyl ethane
It is the stage in a polymerization at which cross-linking begins
A. gel point
B. melting point
C. annealing point
D. softening point
A. gel point
Toilen’s test is test for presence of
A. alcohols
B. phenols
C. aldehydes
D. primary amine
C. aldehydes
Bayer’s test is for
A. unsaturation
B. alcohol
C. aldehyde
D. ketone
A. unsaturation
Polymers which are capable of forming an ordered solution
A. mesogenic
B. hematic
C. thermotropic
D. lyotropic
D. lyotropic
Polymers which are capable of forming an ordered melt
A. mesogenic
B. hematic
C. thermotropic
D. lyotropic
C. thermotropic
Compounds with general formula (C5H8)n
A. alkanes
B. terpenes
C. elastomers
D. enantiomers
B. terpenes
The term hydrocarbon is used to denote compounds that
A. contain carbon and hydrogen
B. contain nitrogen and carbon
C. contain oxygen and hydrogen
D. contain hydrogen
A. contain carbon and hydrogen
The most characteristic reaction of alkenes are
A. condensation reactions
B. addition reaction
C. substitution reactions
D. none of these, alkenes are inert
B. addition reaction
What is the major structural unit of plants?
A. cellulose
B. DNA
C. RNA
D. glycogen
A. cellulose
Myoglobin is an example of a
A. fibrous protein
B. globular protein
C. DNA
D. starch
B. globular protein
Which of the following is a disaccharide?
A. fructose
B. lactose
C. cellulose
D. glucose
B. lactose
How many aromatic isomers of dibromobenzene exist?
A. 2
B. 3
C. 8
D. 6
B. 3
What is the general formula for an aldehyde?
A. R-CO-OH
B. R-CO-H
C. R-O-R
D. R-OH
B. R-CO-H
What is the general formula for an alcohol?
A. R-CO-OH
B. R-CO-H
C. R-O-R
D. R-OH
D. R-OH
Of the following, which are the most reactive?
A. alkanes
B. alkenes
C. cycloalkanes
D. alkynes
D. alkynes
Which of the following is not an alkane?
A. C3H8
B. C7H16
C. C5H12
D. C9H18
D. C9H18
What is the IUPAC name for the following compound?
H H
l l
H3C —- C —– C —- C == CH2
l l l
CH3 H CH3
A. 2,5-dimethylpentane
B. 2,4-methylbutene
C. 2,4-dimethyl-1-pentene
D. 2,4-ethylbutene
C. 2,4-dimethyl-1-pentene
The sequence of amino acids in a protein is the
A. primary structure
B. secondary structure
C. tertiary structure
D. quaternary structure
A. primary structure
Which of the following are monosaccharides? (I) glucose (II) fructose (II) lactose (IV) sucrose|
A. III and IV
B. I and II
C. I
D. II
B. I and II
What is the distinguishing characteristic of carbohydrates?
A. carbonyl group
B. two-C-OH groups
C. Cx(H2O)y formula
D. six carbon atoms
C. Cx(H2O)y formula
What do you call hydrocarbons containing carbon to carbon triple bonds?
A. alkanes
B. alkenes
C. alkynes
D. aromatics
C. alkynes
What is the term used to describe hydrocarbons containing single bonds between carbon atoms?
A. alkanes
B. alkenes
C. alkynes
D. esters
A. alkanes
It is a mixture of fructose and glucose by the breakdown of sucrose
A. galactose
B. invert sugar
C. monosaccharides
D. disaccharides
B. invert sugar
A carboxylic acid which contributes to the strong odor of rancid butter and other fats
A. caproic acid
B. acetic acid
C. lactic acid D. butyric acid
Isopropyl alcohol is
A. CH3CHCH3
l
OH
B. CH3OH
C. CH3CH2OH
D. CH3CH2CH2OH
A. CH3CHCH3
l
OH
Which compound is an ether?
A. CH3COCH3
ll
O
B. CH3CH2OH
C. CH3OCH2CH3
D. CH3CCH3
ll
O
C. CH3OCH2CH3
The formula for diethyl ether is
A. CH3OCH3
B. C2H5OH
C. CH3CH2CCH2CH3
l l
O
D. CH3CH2OCH2CH3
D. CH3CH2OCH2CH3
A group that aldehydes and ketones have in common is
A. –COOH
B. –CHO
C. –C - -
l l
O
D. –OH
C. –C - -
l l
O
If the monomer is CH3-CH=CH-Cl, the polymer is
A. [-CH2-CH=CH-]n
l
Cl
B. [-CH2-CH2-CH-]n
l
Cl
C. [-CH=C=CH-]n
l
Cl
D. [-CH-CH-]n
l l
CH3 Cl
D. [-CH-CH-]n
l l
CH3 Cl
CH3CCH2CH3 represents
ll
O
A. methyl propyl ketone
B. diethyl ketone
C. dimethyl ketone
D. ethyl methyl ketone
D. ethyl methyl ketone
CH3CH2C-OH is the structural
ll
O
formula of
A. ethanoic acid
B. propanoic acid
C. butanoic acid
D. methanoic acid
B. propanoic acid
CH3C-OCH2CH2CH3 is the
ll
O
structural formula for
A. methyl propionate
B. ethyl formate
C. ethyl acetate
D. propyl acetate
D. propyl acetate
HCNH2 represents
ll
O
A. methanamide
B. ethanamide
C. propanamide
D. methylacetamide
A. methanamide
O
ll
CH3COCH2CH2CH3 is the structural formula for
A. methyl propionate
B. ethyl formate
C. ethyl acetate
D. propyl acetate
D. propyl acetate
A carboxylic acid which contributes to the strong odor of rancid butter and other fats.
A. caproic acid
B. acetic acid
C. lactic acid
D. butyric acid
D. butyric acid
An acid found in citrus fruits.
A. capric acid
B. ethanoic acid
C. citric acid
D. oleic acid
C. citric acid
An acid found in vinegar.
A. citric acid
B. formic acid
C. stearic acid
D. acetic acid
D. acetic acid
It is reaction in which the element of hydrogen are introduced into a molecule.
A. halogenation
B. hydration
C. hydrogenation
D. Alkylation
C. hydrogenation
What is the name of the following alkane?
A. 2,3-dimethyl butane
B. 1-isopropyl-1-methyl ethane
C.1,1,2-trmethyl propane
D. 1,3-dimethyl butane
A. 2,3-dimethyl butane
An alkyne contains at least one of each of the following carbon-carbon bonds?
A. double
B. quadruple
C. triple
D. single
C. triple
Carbonated water is made by dissolving CO2 in water at a
A. high temperature
B. temperature which is gradually increased
C. pressure lower than 1 atm
D. pressure greater than 1 atm
D. pressure greater than 1 atm
In benzene, what is the valence bond hybridization on each carbon atom?
A. sp
B. sp2
C. sp3
D. spd
B. sp2
What kind of hybrid orbitals are formed on the carbon atom in cyclopropane?
A. sp
B. sp2
C. sp3
D. spd
C. sp3
Three sp2 hybrid orbitals are formed on the carbon atoms in cyclopropane?
A. 109°28”
B. 60°
C. 90°
D. 120°
D. 120°
How many secondary carbon atoms does methylcylopropane have?
A. none
B. one
C. two
D. three
C. two
Substances that absorb ultraviolet light and reemit it as visible light are called
A. bleaches
B. fabric softeners
C. optical brightness
D. water softeners
C. optical brightness
Hair is
A. protein
B. fat
C. carbohydrate
D. cellulose
A. protein
A continuous-chain hydrocarbon is isomeric with 2-methyl-3ethylhexane?
A. octane
B. nonane
C. decane
D. dodecane
B. nonane
When an alcohol is dehydrated it forms
A. an aldehyde
B. an acid
C. an alkene
D. a ketone
C. an alkene
The empirical formula of a compound is CH2 one mole of this compound has a mass of 42 gm. Its molecular formula is
A. CH2
B. C2H2
C. C3H6
D. C3H3
C. C3H6
How many carbon atoms are there in 2-bromo-2-pentene?
A. 6
B. 5
C. 4
D. 3
B. 5
Which of the following is a shark liver oil?
A. menthol
B. oil of cedar
C. squalene
D. oil of celery
C. squalene
The substance chiefly responsible for the bright orange color of carrots
A. vitamin K
B. ascorbic acid
C. β-carotene
D. protein
C. β-carotene
The hydrocarbon fraction from petroleum whose size range of molecules is from C5 to C12.
A. kerosene, fuel oil
B. gas
C. straight-run gasoline
D. lubricator
C. straight-run gasoline
Which of the following describes a triple bond?
A. two sigma bonds and two pi bonds
B. two sigma bonds and one pi bond
C. one sigma bond and two pi bonds
D. one sigma bond and two pi bonds
D. one sigma bond and two pi bonds
Which of the following is closest to the C-O-C bond angle in CH3-O-CH3?
A. 180°
B. 120°
C. 109.5°
D. 90°
C. 109.5°
Triethylamine [(CH3CH2)3N] is a molecule in which the nitrogen atom is ______ hybridized and the CNC bond angle is ________.
A. sp2; >109.5°
B. sp2;< 109.5°
C. sp3; >109.5°
D. sp3; <109.5°
D. sp3; <109.5°
How should (CH3)2C(OH)CH2CH3 be classified?
A. primary alcohol
B. tertiary alcohol
C. secondary alcohol
D. quarternary alcohol
B. tertiary alcohol
The least number of atoms in alkynes is
A. 4
B. 6
C. 5
D. 7
A. 4
The chemical formula of pyruvic acid is:
A. OHC COOH
B. CH3COOH
C. CH3COCOCH
D. CH3COCOOH
D. CH3COCOOH
A compound which has a bond formed by the overlap of sp-sp3 hybrid orbital is:
A. HC≡ CH
B. CH3-C ≡CH
C.CH3-CH=CH2
D. H2O=C=CH2
B. CH3-C ≡CH
Williamson synthesis is a procedure for the production of:
A. Easters from acid chlorides
B. Ethers from alkyl iodide
C. Alkanes using sodium metal
D. Salicylic acid from phenol
B. Ethers from alkyl iodide
The reaction of an alcohol and an aryl isocyanate.
A. urethane reaction
B. esterification
C. condensation
D. hydrolysis
A. urethane reaction
An ordered state which is stable at a temperature range between the solid state and an ordered fluid system.
A. suspension
B. colloid
C. liquid crystal
D. composite
C. liquid crystal
It is the mixture of fructose and glucose by the breakdown of sucrose.
A. galctose
B. invert sugar
C. monosaccharides
D. disaccharides
B. invert sugar
Found exclusively in milk of mammals
A. lactose
B. fructose
C. glucose
D.maitose
A. lactose
Which of the following involve redox reaction?
A. evaporation of water
B. production by lightning of ozine from O2
C. reaction of H2SO4 and NaOH
D. burning of gasoline
D. burning of gasoline
It is the attraction between molecules.
A. absorption
B. diffusion
C. adhesion
D. cohesion
D. cohesion
The hydrate named as sodium carbonate decahydrate is commonly called
A. baking soda
B. washing soda
C. soda lime
D. caustic soda
B. washing soda
Which, if any, are not true of the vulcanization process?
A. it results in sulfur bridges between polymer chains
B. it increases the hardness of natural rubber
C. it improves the elasticity of natural rubber
D. All of the above are true of the vulcanization process
D. All of the above are true of the vulcanization process
Saponification is a reaction is a reaction in which a tricylglycerol reacts with a strong base to form
A. glycerol and three soap molecules
B. glycerol and three water molecules
C. three fatty acid molecules and water
D. oleic acid and water
A. glycerol and three soap molecules
Steroids are derivatives of which lipid?
A. β-carotene
B. cholesterol
C. sphingosine
D. vitamin D
B. cholesterol
An organic compound has an empirical formula of C3H6O. This formula can represent
A. three alcohols
B. two alcohols and one ether
C. one organic acid
D. two ethers and one alcohol
B. two alcohols and one ether
Which compounds are isomers?
A. 1-prpanol and 2-propanol
B. ethane and ethanol
C. methanoic acid and ethanoic acid
D. methanol and methanol
A. 1-prpanol and 2-propanol
If each of the following is an alkane, which one must be cyclic?
A. C7H14
B. C22H46
C. C3H8
D.C12H26
A. C7H14
If we add Cl2 to 1-buten, what is the product?
A. CH3CH2CCl2CH3
B. CH3CH2CCl2CHCl2
C. CH3CH2CH2CHCl2
D. CH3CH2CHClCH2Cl
D. CH3CH2CHClCH2Cl
Which of the following are uses for oxygen
I. oxidizing agent
II. removing impurities from steel
III. bleaching pulp and paper
IV. welding
A. I only
B. II and III
C. III and IV
D. all of these
D. all of these
Which of the following is not a disubstituted benzene?
A. o-xylene
B. 1,3-diamonibenzene
C. 2,4-dinitrotoluene
D. p-dichlorobenzene
C. 2,4-dinitrotoluene
Which of the following is an unacceptable IUPAC name?
A. o-chlorotoluene
B. 1,5,6-trinitrobenzene
C. biphenyl
D. 1,3,5-trimethylbenzene
B. 1,5,6-trinitrobenzene
What reacts with AgNO3 to form a silver mirror?
A. aldehydes
B. acids
C. ketones
D. esters
A. aldehydes
Isopropyl alcohol is
A. a primary alcohol
B. a tertiary alcohol
C. a secondary alcohol
D. a phenol
C. a secondary alcohol
Identify the functional group,
A. ether
B. hydroxyl
C. carbonyl
D. carboxyl
D. carboxyl
Oxygen double bonded with carbon is
A. hydroxyl
B. carbonyl
C. carboxyl
D. alkyl
B. carbonyl
An alcohol in which the OH is bonded with carbon which is bonded to the other arbon.
A. primary alcohol
B. tertiary alcohol
C. secondary alcohol
D. phenol
C. secondary alcohol
The least number of atoms in alkynes is
A. 4
B. 6
C.5
D. 7
A. 4
Ethylene glycol is
A. a triol
B. ester
C. diol
D. phenol
C. diol
Which is unsaturated?
A. alkenes and alkynes
B. alkanes, alkenes and alkynes
C. alkanes and alkenes
D. alkanes and alkynes
A. alkenes and alkynes
Which of the following is needed to make a silicon rubber?
A. trihydroxymethyl silane
B. dhydroxymethyl silane
C. hydroxymethyl silane
D. tetramethyl silane
A. trihydroxymethyl silane
Hybrid orbitals and the triple-bonded carbon of alkynes.
A. sp
B. sp3
C. sp2
D. spd
A. sp
Which organic compound has the functional group –COOH?
A. ethers
B. ketones
C. aldehydes
D. acids
D. acids
A benzene ring with one hydrogen removed.
A. benzyl
B. aryl
C. alkyl
D. phenyl
D. phenyl
Hydrocarbons that contain one or more carbon triple bonds.
A. alkynes
B. alkenes
C. alkyl
D. alkanes
A. alkynes
How many atoms are there in a molecule of naphthalene?
A. 10
B. 20
C. 18
D. 24
C. 18
Hybrid orbitals in alkynes.
A. sp3
B. sp
C. sp2
D. spd
B. sp
What structure to both aldehydes and ketones contains?
A. the carbonyl group
B. the hydroxyl group
C. the carboxyl group
D. the amino group
A. the carbonyl group
Which one of the following statement regarding organic substances is false?
A. Organic matter is generally stable at high temperature.
B. All organic matter contain carbon.
C. Organic substances generally do not dissolve in water.
D. Organic substances generally dissolve in high concentrated acids.
A. Organic matter is generally stable at high temperature.
The science dealing with the study of phenomena at very low temperature is known as
A. refrigenics
B. cytogenics
C. frozenics
D. cryogenics
D. cryogenics
Which of the following contains 18 carbons?
A. palmitic acid
B. stearic acid
C. eleic acid
D. linoleic acid
E. linolenic acid
A. A, B, C, D, E
B. C, D
C. B, C, D, E
D. B, D, E
C. B, C, D, E
What is the total number of carbon atoms in molecules of glycerol?
A. 1
B. 3
C. 2
D. 4
B. 3
To be classified as a tertiary alcohol, the functional –OH group is bonded to a carbon atom that must be bonded to a total pf how many additional carbon atoms?
A. 1
B. 3
C. 2
D. 4
B. 3
Primary alcohol can be derived from the reaction of Grignard reagent with?
A. methanol
B. any ketone
C. acetone
D. ethylene
Deposits and films are a problem with soap but not detergent because of which property?
A. Soaps form soluble calcium salts
B. Detergents do not form insoluble calcium salts
C. Detergents form more stable micellies
D. Soap micellies are unstable in acid
B. Detergents do not form insoluble calcium salts
Which statement about steroid is false?
I. The fusion of all rings is cis.
II. Sex hormones, adrenocorticoid hormones, bile acids and vitamin D are derived from cholesterol.
III. The biosynthesis of cholesterol produces several isomers.
IV. Steroids are tetracyclic ring systems.
A. I, III
B. II, IV
C. I, II
D. III, IV
A. I, III
Which statement about vitamins are true?
I. Vitamin A, D, E and K are fat soluble.
II. Vitamin A, D, E and K are derived from cholesterol.
III. Vitamin A, D, E and K each contain 4 isoprene units.
IV. Vitamin A, D, E and K have distinct physiological activities.
A. II, III
B. III, IV
C. I, III
D. I, IV
D. I, IV
Carboxylic acids and amides have in general higher boiling points than esters and aldehydes because of which property?
A. dispersion forces
B. resonance stabilization
C. conjugated functional groups
D. hydrogen bonding
D. hydrogen bonding
Which terms are correct to their definitions?
I. Plastic – a long chain molecule synthesized by linking together many parts.
II. Polymer – can be molded when hot and retains shape when cold.
III. Thermoplastic – can be molded when hot and retains shape when cold.
IV. Thermosetting plastic – can be molded when first prepared, but hardens irreversibly when cooled.
A. III, IV
B. II, III
C. I, II
D. I, IV
A. III, IV
Which are reducing sugars?
I. lactose
II. sucrose
III. glucose
IV. fructose
V. galactose
A. I, II. III
B. I, III, IV, V
C. II, III, IV, V
D. III, IV, V
B. I, III, IV, V
Which are dissacharides?
I. sucrose
II. glucose
III. maltose
IV. lactose
V. galactose
A. II, IV, V
B. I, II, III
C. III, IV, V
D. I, III, IV
D. I, III, IV
Which sugars are monosaccharides?
I. mannose
II. maltose
III. ribose
IV. lactose
V. glucose
A. I, II, III
B. II, III, IV
C. II, IV V
D. I, III, IV
D. I, III, IV
Cellulose, starch, and glycogen are polusaccharides that contain which sugar?
A. sucrose
B. glucose
C. fructose
D. lactose
B. glucose
Which sugars are reducing sugars?
I. sucrose
II. maltose
III. lactose
IV. Fructose
A. I, II, III
B. II, III, IV
C. I, III, IV
D. I, II, IV
B. II, III, IV
What is the term for the process of forming ethane from ethane?
A. combustion
B. thermal cracking
C. fractional distillation
D. catalytic reformation
B. thermal cracking
Which molecule has the most negative heat of combustion in kcal/mol?
A. methane
B. ethane
C. propane
D. butane
D. butane
Which is the major product from acid catalyzed hydration of 2-methyl-2-pentane?
A. 2-methyl-3-pentanol
B. 4-methyl-2-pentanol
C. 2-methyl-2-pentanol
D. 3-methyl-3-pentanol
C. 2-methyl-2-pentanol
Deoxyribonucleic acid (DNA) is an important agent in heredity. Its density is 1.1 g/cc and its molecular weight is 6 E 8 g/mol. Calculate the average volume, in cc, per molecule, assuming no voids.
A. 7.65 E-17
B. 9.06 E-16
C. 8.31 E-17
D. 1.02 E-15
The saponification number of a triglyceride is 200. The average molecular weight of triglyceride is
A. 200
B. 600
C. 280
D. 840
D. 840
The acid found in ants is
A. citric acid
B. acetic acid
C. formic acid
D. oxalic acid
C. formic acid
