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Which of the following pairs of compounds are isomers?


A) Which of the following pairs of compounds are isomers? A) B) C) D) E)
B) Which of the following pairs of compounds are isomers? A) B) C) D) E)
C) Which of the following pairs of compounds are isomers? A) B) C) D) E)
D) Which of the following pairs of compounds are isomers? A) B) C) D) E)
E) Which of the following pairs of compounds are isomers? A) B) C) D) E)

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The common name for 2-butanone, a readily available solvent, is


A) The common name for 2-butanone, a readily available solvent, is A) B) butyl ketone. C) methyl acetone. D) methyl ethyl ketone. E) butyl ether.
B) butyl ketone.
C) methyl acetone.
D) methyl ethyl ketone.
E) butyl ether.

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The addition of hydrogen to an organic compound or the loss of oxygen is called


A) halogenation.
B) oxidation.
C) dehydration.
D) reduction.
E) hydration.

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In all aldehydes except formaldehyde, how many hydrogen atoms are bonded to the carbonyl group?


A) one
B) two
C) three
D) four

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Which one of the following compounds is an aldehyde?


A) Which one of the following compounds is an aldehyde? A) B) C) D) E) CH<sub>3</sub>-CH<sub>2</sub>-O-CH<sub>2</sub>-CH<sub>3</sub>
B) Which one of the following compounds is an aldehyde? A) B) C) D) E) CH<sub>3</sub>-CH<sub>2</sub>-O-CH<sub>2</sub>-CH<sub>3</sub>
C) Which one of the following compounds is an aldehyde? A) B) C) D) E) CH<sub>3</sub>-CH<sub>2</sub>-O-CH<sub>2</sub>-CH<sub>3</sub>
D) Which one of the following compounds is an aldehyde? A) B) C) D) E) CH<sub>3</sub>-CH<sub>2</sub>-O-CH<sub>2</sub>-CH<sub>3</sub>
E) CH3-CH2-O-CH2-CH3

Correct Answer

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The product of adding two molecules of an alcohol to one molecule of an aldehyde in the presence of acid is a(n)


A) hemiacetal.
B) ether.
C) hemiether.
D) acetal.
E) hydroxyl group.

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What is the common name of this compound? What is the common name of this compound? A) acetone B) 3-pentanone C) ethyl methyl ketone D) dimethyl ketone E) diethyl ketone


A) acetone
B) 3-pentanone
C) ethyl methyl ketone
D) dimethyl ketone
E) diethyl ketone

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Which of the following would NOT be water soluble?


A) acetone
B) propanal
C) 2-butanone
D) formaldehyde
E) 3-heptanone

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Formaldehyde is used industrially to make


A) carpeting.
B) polymers.
C) insulating materials.
D) All of the above.
E) None of the above.

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What is the name of this compound? What is the name of this compound? A) 3-methylbutanone B) 2-methyl-3-butanone C) 2-methylbutanone D) pentanone E) 3-methyl-2-butanone


A) 3-methylbutanone
B) 2-methyl-3-butanone
C) 2-methylbutanone
D) pentanone
E) 3-methyl-2-butanone

Correct Answer

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What are the bond angles in a typical carbonyl group?


A) What are the bond angles in a typical carbonyl group? A) B) C) D) E)
B) What are the bond angles in a typical carbonyl group? A) B) C) D) E)
C) What are the bond angles in a typical carbonyl group? A) B) C) D) E)
D) What are the bond angles in a typical carbonyl group? A) B) C) D) E)
E) What are the bond angles in a typical carbonyl group? A) B) C) D) E)

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What is the IUPAC name of this compound? What is the IUPAC name of this compound? A) 3-methylbutanal B) 2-methylbutanone C) 3-methylbutanone D) pentanone E) 2-methyl-1-butanal


A) 3-methylbutanal
B) 2-methylbutanone
C) 3-methylbutanone
D) pentanone
E) 2-methyl-1-butanal

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Which of the compounds would give a positive Tollens' test?


A) Which of the compounds would give a positive Tollens' test? A) B) C) D) E)
B) Which of the compounds would give a positive Tollens' test? A) B) C) D) E)
C) Which of the compounds would give a positive Tollens' test? A) B) C) D) E)
D) Which of the compounds would give a positive Tollens' test? A) B) C) D) E)
E) Which of the compounds would give a positive Tollens' test? A) B) C) D) E)

Correct Answer

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How many moles of an alcohol are needed to react with 1 mole of an aldehyde to form a hemiacetal?


A) 3.5 moles
B) 3 moles
C) 1.5 moles
D) 2 moles
E) 1 moles

Correct Answer

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The oxygen atom in a carbonyl group is ________ the carbon atom.


A) more electropositive than
B) more soluble than
C) more electronegative than
D) identical in electronegativity to
E) less electronegative than

Correct Answer

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The hydrogenation of 2-methylpropanal yields


A) 2-methyl-2-propanol.
B) 2-methyl-3-propanol.
C) 1-butanol.
D) 2-methylpropanoic acid.
E) 2-methyl-1-propanol.

Correct Answer

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An acetal is formed from two molecules of an alcohol and a(n)


A) ester.
B) ether.
C) carboxylic acid.
D) aldehyde.
E) alkyl ether.

Correct Answer

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How do sugars form cyclic hemiacetals?


A) Functional groups within molecule of sugar react with each other.
B) Two molecules of a sugar react with one another.
C) A molecule of sugar reacts with an added aldehyde.
D) A sugar molecule decomposes.
E) A molecule of sugar reacts with an added alcohol.

Correct Answer

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Acetone can be produced by the body when a person is


A) recovering from surgery.
B) sleeping.
C) exercising.
D) dieting with high protein diets.
E) ill with a flu.

Correct Answer

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The reduction of 3-pentanone with hydrogen in the presence of a nickel catalyst will yield


A) pentanaldehyde.
B) 3-pentanol.
C) diethyl alcohol.
D) pentane.
E) 2-pentene.

Correct Answer

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