chap Aldehydes - Chapter 14 Aldehydes Ketones and Chiral...

Chapter 14 Aldehydes, Ketones, and Chiral Molecules
14.1 Multiple - Choice Questions
1) The addition of hydrogen to an organic compound or the loss of oxygen is called
A) reduction.
B) oxidation.
C) dehydration.
D) halogenation.
E) hydration.
Answer: A
2) The reduction of 3 - pentanone with hydrogen in the presence of a nickel catalyst will yield
3) The hydrogenation of 2 - methylpropanal gives the product
4) The product of adding two molecules of an alcohol to an aldehyde in the presence of acid is a(n)
5) Which of these compounds is the hemiacetal that forms when ethanol reacts with propanal?
A) OH
CH3CH2
∣
C OCH2CH3
∣ H
B) OH
CH3
∣
C OCH2CH3
∣ H
C) O CH2CH3
CH3CH2
∣
C OCH2CH3
∣ H
D) OCH2CH3
CH3
∣
C OCH3
∣ H
E) OCH2CH2CH3
CH3
∣
C OCH2CH2CH3
∣
CH2CH2CH3

Answer: A
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6) What is the acetal formed when propanone reacts with two molecules of methanol?
7) Which of the following compounds contains a ketone functional group?
8) Which of the following ketones is the most soluble in water?

9) What is the IUPAC name for this compound?
O
CH3

C H
A) methyl aldehyde
B) 1 - ethanaldehyde
C) 1 - ethanone
D) ethanal
E) methanal
Answer: D
10) What is the IUPAC name for this compound?
11) What is the name of this compound?
O
CH3

C CHCH3
∣
C H3
12) Three functional groups found in this compound are