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WAZZAP > Quiz 6 > Flashcards

Quiz 6 Flashcards

1
Q
  1. Aldehydes maybe prepared by oxidizing

primary alcohols

secondary alcohols

tertiary alcohols

ketones

A

primary alcohols

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2
Q
  1. Name the compound CH3(CH2)6COOH.

benzoic acid

carboxylic acid

octanoic acid

maleic acid

A

octanoic acid

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3
Q
  1. 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

A

acid anhydride

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4
Q
  1. 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

A

the carboxyl group minus the hydrogen ion

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5
Q
  1. Bayer’s test is test for

unsaturation

alcohol

aldehydes

ketone

A

unsaturation

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6
Q
  1. 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

A

an ammonia molecule in which one to three hydrogens are replaced by hydrocarbon groups

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7
Q
  1. Which of the following is an amine?

C2H5NH2

C5H5N

NH3

C6H5NO2

A

C2H5NH2

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8
Q
  1. Name the compound HCO2H

methyl formate

acetone

dimethyl ether

formic acid

A

formic acid

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9
Q
  1. Wood alcohol is the same as

methanol

grain alcohol

2-propanol

rubbing alcohol

A

methanol

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10
Q
  1. Tollen’s test is test for presence of

alcohols

phenols

aldehydes

primary amine

A

aldehydes

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11
Q
  1. 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

A

Benedicts or Fehling`s Test

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12
Q
  1. An acid found in citrus fruits.

capric acid

ethanoic acid

citric acid

oleic acid

A

citric acid

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13
Q
  1. An acid found in grapes.

oleic acid

tartaric acid

cholic acid

citric acid

A

tartaric acid

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14
Q
  1. An acid present in the skin secretion of goats.

caproic acid

caprylic acid

capric acid

all of them

A

all of them

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15
Q
  1. What structure do both aldehydes and ketones contain?

the carboxyl group

the hydroxyl group

the carbonyl group

the amino group

A

the carbonyl group

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16
Q
  1. A reaction in which atoms or groups are removed from adjacent atoms to form a double or triple bond.

substitution

elimination

addition

polymerization

A

elimination

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17
Q
  1. A reaction in which the elements of water are eliminated from a molecule.

hydrolysis

dehydration

dehydrogenation

hydrogenation

A

dehydration

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18
Q
  1. The alkane containing a total of 20 hydrogen atoms must be an isomer of

cyclononane

decane

eicosane

nonane

A

nonane

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19
Q
  1. _____ is an example of an alkyl halide.

NaCl

CHCl3

CF2=CF2

KCl

A

CHCl3

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20
Q
  1. Which of the following aromatic hydrocarbons is consist of two benzene rings?

toluene

naphthalene

anthracene

phenanthrene

A

naphthalene

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21
Q
  1. 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

A

more than a single bond, less than a double bond

22
Q
  1. Benzene undergoes substitution reactions rather than addition reactions because its ring structure is

extremely unstable

saturated

very stable

unsaturated

A

very stable

23
Q
  1. 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

A

weak and the vapor pressure is high

24
Q
  1. The geometry of the nitrate ion, NO3-, is best described as a

tetrahedron

trigonal bipyramid

linear structure

square pyramid

triangular planar structure

A

triangular planar structure

25
Q
  1. A substance labeled hygroscopic

reacts with atmospheric oxygen

absorbs water from the atmosphere

spontaneously combusts in contact with organic matter

spontaneously combusts

oxidizes readily

A

absorbs water from the atmosphere

26
Q
  1. Very fine precipites are most easily separated by

distillation

filtration

Centrifugation

Evaporation

A

Centrifugation

27
Q
  1. The ion with the largest radius is

K+

I -

Cl-

Na+

Ba2+

A

I -

28
Q
  1. 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

A

an oxide of nitrogen

29
Q
  1. A protein is

a polysaccharide

deoxyribonucleic acid

a polymer of amino acids

soluble because of the carbonyl groups

a polyester

A

a polymer of amino acids

30
Q
  1. 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

A

12 sigma bonds and 3 pi bonds

31
Q
  1. 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

A

an alkyne

32
Q
  1. 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

A

alkenes

33
Q
  1. Diamond is classified as

a covalent crystal

an ionic crystal

an amorphous solid

a metallic crystal

a molecular crystal

A

a covalent crystal

34
Q
  1. 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

A

low viscosity, low boiling point, and low heat of vaporization

35
Q
  1. A fibrous material left after cane sugar has been milled is commonly called as

bagasse

pulp

cellulose

waste

A

bagasse

36
Q
  1. Rancidity of oil can be reduced by

decoloration

hydrogenation

oxidation

purification

A

hydrogenation

37
Q
  1. Plasticisers are added to paints to

make it corrosion resistant

give elasticity and prevent cracking of the film

make glossy surface

increase atmospheric oxidation

A

give elasticity and prevent cracking of the film

38
Q
  1. Alkyl benzene sulfonate (ABS) is a

detergent

rubber

pesticide

polyester

A

detergent

39
Q
  1. If gastric juice is tested with a pH meter, its pH would most likely be about

2

6

7

8

A

2

40
Q
  1. The blood type known as the universal donor is

A

B

AB

O

A

O

41
Q
  1. 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

A

acetylene

42
Q
  1. Glauber’s salt is anhydrous ______.

sodium sulfate

sodium sulfite

calcium nitrate

calcium nitrite

A

sodium sulfate

43
Q
  1. Blue vitriol is

Fe3O4

CoSO4.7H2O

CuSO4.5H2O

CdS

A

CuSO4.5H2O

44
Q
  1. Prussian blue is

ferric ferrocyanide

sodium bicarbonate

calcium carbonate

sodium hydroxide

A

ferric ferrocyanide

45
Q
  1. Epsom salt is

ferrous sulfate

manganese nitrate

ferric chloride

magnesium sulfate

A

magnesium sulfate

46
Q
  1. Salt peter is

sodium nitrate

calcium nitrate

potassium sulfate

potassium nitrate

A

potassium nitrate

47
Q
  1. 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

A

relative density

48
Q
  1. It is produced by the decay of vegetable matter, was early identified as combustible “swamp gas.”

producer gas

furnace gas

hydrogen

methane

A

methane

49
Q
  1. Calcium carbonate is also known as

chalk

charcoal

feldspar

silica

A

chalk

50
Q
  1. 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

A

increase in pressure on the system

WAZZAP (31 decks)

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