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1 | |
Name the following compound:
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| | A) | 4-ethyl-5-methylhexane |
| | B) | 2-methyl-3-propylpentane |
| | C) | 3-ethyl-2-methylhexane |
| | D) | 4-methyl-3-propylpentane |
| | E) | 2-methyl-3-ethylhexane |
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2 | |
Which of the following is not a constitutional isomer of CH3CH2COOH? |
| | A) | CH3CH2COOCH3 |
| | B) | CH3COOCH3 |
| | C) | CH3COCH2OH |
| | D) | HOCH=CHOCH3 |
| | E) | CH3CH(OH)CHO |
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3 | |
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Tartaric acid, shown above, is a dihydroxycarboxylic acid. How many chiral centers does it possess? |
| | A) | 0 |
| | B) | 1 |
| | C) | 2 |
| | D) | 3 |
| | E) | 4 |
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4 | |
Which, if any, of the following are geometric isomers?
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| | A) | I and II |
| | B) | II and III |
| | C) | I and III |
| | D) | None of them are geometric isomers. |
| | E) | All of them are geometric isomers. |
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5 | |
What is the general formula for alkynes?
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| | A) | CnH2n+2 |
| | B) | C2nH2n |
| | C) | CnH2n-2 |
| | D) | CnHn-2 |
| | E) | CnH2n |
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6 | |
Which, if any, of the following compounds will be the major product(s) of the addition of Br2 to CH3 – CH = CH2?
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| | A) | CH3Br and CH2 = CHBr
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| | B) | CH3 – CBr = CHBr and HBr
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| | C) | CH3 – CHBr – CH2Br and HBr
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| | D) | CH3 – CBr2 – CH3 and HBr
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| | E) | CH3 – CHBr – CH2Br
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7 | |
What type of compound is represented by the formula CH3CH2CH2CH2CH2CH2OH?
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| | A) | an alkene
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| | B) | an alcohol
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| | C) | an alkyne
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| | D) | an unsaturated hydrocarbon
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| | E) | a CFC
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8 | |
Which one of the following is the formula for a ketone?
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| | A) | CH3CH2CHO
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| | B) | CH3OCH3 |
| | C) | CH3CH2COCH3 |
| | D) | CH3CH2COOH
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| | E) | CH3CH2COOCH3 |
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9 | |
Which of the following is a constitutional isomer of, and has a much lower boiling point than CH3CH2COOH?
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| | A) | CH3CH2COOCH3 |
| | B) | CH3COOCH3 |
| | C) | CH3COCH2OH
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| | D) | HOCH=CHOCH3 |
| | E) | CH3CH(OH)CHO
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10 | |
Which of the following is the monomer of the polymer used to coat cooking utensils with non-stick surfaces?
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| | A) | CH2=CHCl
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| | B) | CF2=CF2 |
| | C) | CH2=CF2 |
| | D) | H2C=CHCN
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| | E) | H2C=CH-C6H5 |
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11 | |
Which of the following polymers is a condensation polymer?
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| | A) | polypropylene
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| | B) | polyester
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| | C) | poly(vinyl chloride)
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| | D) | Teflon®
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| | E) | polyacrylonitrile
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12 | |
What type of functional group links the monomer units in nylon-66?
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| | A) | amine
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| | B) | ether
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| | C) | carbonyl
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| | D) | alkene
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| | E) | amide
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13 | |
A protein is
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| | A) | a naturally-occurring addition polymer.
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| | B) | a polymer of amino acid units.
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| | C) | a polymer containing the genetic code.
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| | D) | a polysaccharide.
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| | E) | a polymer consisting of many nucleotide units.
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14 | |
Which, if any, of the following is the general structure of an amino acid?
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| | A) | H2N-COOH
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| | B) | H2NCH2COOH
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| | C) | RCH2CONH2 |
| | D) | H2NCH2CHRCOOH
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| | E) | H2NCHRCOOH
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15 | |
DNA consists of repeating units, nucleotides, each of which consists of
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| | A) | a base and a phosphate group.
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| | B) | a phosphate group, a deoxyribose unit, and an amino acid.
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| | C) | a phosphate group, a deoxyribose unit, and a base.
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| | D) | a phosphate group, a sugar unit, and an acid.
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| | E) | a phosphate group, an amino acid unit, and a sugar.
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