Quiz 6 Flashcards
- Aldehydes maybe prepared by oxidizing
primary alcohols
secondary alcohols
tertiary alcohols
ketones
primary alcohols
- Name the compound CH3(CH2)6COOH.
benzoic acid
carboxylic acid
octanoic acid
maleic acid
octanoic acid
- Oxides that react with water to form acids or that are formed by the removal of water from acids, are known as
anhydride
basic anhydride
acid anhydride
salt anhydride
acid anhydride
- A carboxylate group consist of
an oxygen atom double bonded to a hydrogen atom
a carbon atom double bonded to a hydroxyl group
the carboxyl group minus the hydrogen ion
a hydrogen atom double bonded to a carbon atom
the carboxyl group minus the hydrogen ion
- Bayer’s test is test for
unsaturation
alcohol
aldehydes
ketone
unsaturation
- An amine consist of
a hydrocarbon in which halogens take the place of hydrogen atoms
a hydrocarbon which contains sulfur instead of oxygen
a carboxyl acid group combined with a halogen
an ammonia molecule in which one to three hydrogens are replaced by hydrocarbon groups
an ammonia molecule in which one to three hydrogens are replaced by hydrocarbon groups
- Which of the following is an amine?
C2H5NH2
C5H5N
NH3
C6H5NO2
C2H5NH2
- Name the compound HCO2H
methyl formate
acetone
dimethyl ether
formic acid
formic acid
- Wood alcohol is the same as
methanol
grain alcohol
2-propanol
rubbing alcohol
methanol
- Tollen’s test is test for presence of
alcohols
phenols
aldehydes
primary amine
aldehydes
- A test used clinically to detect glucose in urine, a condition characteristic of disorder such as diabetes in which the body is unable to metabolized glucose normally.
Tollens` Test
Benedicts or Fehling`s Test
Schiffs Test
Iodoform Test
Benedicts or Fehling`s Test
- An acid found in citrus fruits.
capric acid
ethanoic acid
citric acid
oleic acid
citric acid
- An acid found in grapes.
oleic acid
tartaric acid
cholic acid
citric acid
tartaric acid
- An acid present in the skin secretion of goats.
caproic acid
caprylic acid
capric acid
all of them
all of them
- What structure do both aldehydes and ketones contain?
the carboxyl group
the hydroxyl group
the carbonyl group
the amino group
the carbonyl group
- A reaction in which atoms or groups are removed from adjacent atoms to form a double or triple bond.
substitution
elimination
addition
polymerization
elimination
- A reaction in which the elements of water are eliminated from a molecule.
hydrolysis
dehydration
dehydrogenation
hydrogenation
dehydration
- The alkane containing a total of 20 hydrogen atoms must be an isomer of
cyclononane
decane
eicosane
nonane
nonane
- _____ is an example of an alkyl halide.
NaCl
CHCl3
CF2=CF2
KCl
CHCl3
- Which of the following aromatic hydrocarbons is consist of two benzene rings?
toluene
naphthalene
anthracene
phenanthrene
naphthalene
- Each bond in a benzene molecule is considered
more than double bond, less than a triple bond
a double bond
a single bond
more than a single bond, less than a double bond
more than a single bond, less than a double bond
- Benzene undergoes substitution reactions rather than addition reactions because its ring structure is
extremely unstable
saturated
very stable
unsaturated
very stable
- In substances that sublime, the intermolecular forces of attraction are
weak and the vapor pressure is low
weak and the vapor pressure is high
strong and the vapor pressure is low
strong and the vapor pressure is high
weak and the vapor pressure is high
- The geometry of the nitrate ion, NO3-, is best described as a
tetrahedron
trigonal bipyramid
linear structure
square pyramid
triangular planar structure
triangular planar structure
- A substance labeled hygroscopic
reacts with atmospheric oxygen
absorbs water from the atmosphere
spontaneously combusts in contact with organic matter
spontaneously combusts
oxidizes readily
absorbs water from the atmosphere
- Very fine precipites are most easily separated by
distillation
filtration
Centrifugation
Evaporation
Centrifugation
- The ion with the largest radius is
K+
I -
Cl-
Na+
Ba2+
I -
- The colored gas most associated with smog is
an oxide of nitrogen
an oxide of sulfur
an oxide of hydrogen
a chloride of sulfur
a nitride of nitrogen
an oxide of nitrogen
- A protein is
a polysaccharide
deoxyribonucleic acid
a polymer of amino acids
soluble because of the carbonyl groups
a polyester
a polymer of amino acids
- The bonding in the benzene molecule, C6H6, in any of its resonance structures, contains
6 sigma bonds and 6 pi bonds
12 sigma bonds and 6 pi bonds
12 sigma bonds and 3 pi bonds
6 sigma bonds and 12 pi bonds
only sigma bonds
12 sigma bonds and 3 pi bonds
- The following compounds have the same number of carbon atoms. Which is expected to have the lowest boiling point?
an alkyne
an alcohol
an aldehyde
a ketone
an ether
an alkyne
- Which of the following always have a constant percentage of carbon in all of their compounds? (Assume that there are no other functional groups on the molecule)
alkenes
alcohols
aldehydes
ketones
esters
alkenes
- Diamond is classified as
a covalent crystal
an ionic crystal
an amorphous solid
a metallic crystal
a molecular crystal
a covalent crystal
- A liquid substance that exhibits low intermolecular attractions is expected to have
low viscosity, low boiling point, and low heat of vaporization
high viscosity, low boiling point, and low heat of vaporization
low viscosity, high boiling point
low viscosity low boiling point, and high heat of vaporization
high viscosity, high boiling point, and heat of vaporization
low viscosity, low boiling point, and low heat of vaporization
- A fibrous material left after cane sugar has been milled is commonly called as
bagasse
pulp
cellulose
waste
bagasse
- Rancidity of oil can be reduced by
decoloration
hydrogenation
oxidation
purification
hydrogenation
- Plasticisers are added to paints to
make it corrosion resistant
give elasticity and prevent cracking of the film
make glossy surface
increase atmospheric oxidation
give elasticity and prevent cracking of the film
- Alkyl benzene sulfonate (ABS) is a
detergent
rubber
pesticide
polyester
detergent
- If gastric juice is tested with a pH meter, its pH would most likely be about
2
6
7
8
2
- The blood type known as the universal donor is
A
B
AB
O
O
- It is used primarily in operations requiring high flame temperature, such as welding and metal cutting.
coal gas
acetylene
blue water gas
carbureted water gas
acetylene
- Glauber’s salt is anhydrous ______.
sodium sulfate
sodium sulfite
calcium nitrate
calcium nitrite
sodium sulfate
- Blue vitriol is
Fe3O4
CoSO4.7H2O
CuSO4.5H2O
CdS
CuSO4.5H2O
- Prussian blue is
ferric ferrocyanide
sodium bicarbonate
calcium carbonate
sodium hydroxide
ferric ferrocyanide
- Epsom salt is
ferrous sulfate
manganese nitrate
ferric chloride
magnesium sulfate
magnesium sulfate
- Salt peter is
sodium nitrate
calcium nitrate
potassium sulfate
potassium nitrate
potassium nitrate
- The specific gravity of the substance is the ratio of the density of the substance to the density of water. Another term for specific gravity is:
specific weight
unit weight
relative density
density
relative density
- It is produced by the decay of vegetable matter, was early identified as combustible “swamp gas.”
producer gas
furnace gas
hydrogen
methane
methane
- Calcium carbonate is also known as
chalk
charcoal
feldspar
silica
chalk
- Consider the following reactions at equilibrium : 3H2(g) + N2(g) 2NH3(g) + 92 kJ. Which single change in conditions will cause a shift in equilibrium toward an increase in production of NH3?
addition of an inert gas
removal of hydrogen gas
increase in volume of the system
increase in pressure on the system
increase in pressure on the system
