1. General, Organic, and Biochemistry
9th edition
K. Denniston
J. Topping
D. Quirk Dorr
R. Caret
Chapter 13
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2. Question 1 An acetal is in equilibrium involving:
A) Two alcohol molecules and an aldehyde
B) An alcohol and a carboxylic acid
C) An alcohol and a ketone
D) An alcohol and an aldehyde
E) Three alcohols

3. Question 2 Aldehydes and ketones boil at
A) higher temperatures than hydrocarbons.
B) higher temperatures than alcohols.
C) higher temperatures than carboxylic acids.
D) All of these

4. Question 3 A common name for 5-nonanone is: A) Nonyl ketone
B) Dibutyl ketone
C) Butyl pentyl ketone
D) Dipentyl ketone
E) Pentyl pentyl ketone

5. Question 4 Which of these items is true?
A) Aldehydes can form hydrogen bonds with other aldehydes.
B) Aldehydes can form hydrogen bonds with ketones.
C) Ketones can form hydrogen bonds with other ketones.
D) Aldehydes and ketones can form hydrogen bonds with water.
E) None of the above.

6. Question 5 In a positive Benedict’s test: A) Copper ions are oxidized
B) Aldehydes are reduced
C) Cu1+ is precipitated as an oxide
D) A red precipitate becomes a blue solution
E) None of these

7. Question 6
Which of the following will give a positive Benedict’s test?
A) Pentane
B) 1-Pentene
C) Pentanal
D) 2-Pentanone
E) Pentanoic acid

8. Question 7 (CH3CH2)2C(OCH3)2 is a(n): A) Hemiacetal B) Acetal
C) None of these

9. Question 8 What is the IUPAC name of α-methylpropionaldehyde?
A) 1-Methylpropanal
B) 2-Methylpropanal
C) 3-Methylpropanal
D) Butanal
E) None of these

10. Question 9 Which of these items is true?
A) The oxidation of a secondary alcohol can form an aldehyde.
B) The oxidation of a tertiary alcohol can form an aldehyde.
C) The oxidation of a primary alcohol can form an aldehyde.
D) The oxidation of a carboxylic acid can form an aldehyde.
E) None of the above.

11. Question 10 Which of these items is true?
A) The oxidation of a secondary alcohol can form a ketone.
B) The oxidation of a tertiary alcohol can form a ketone.
C) The oxidation of a primary alcohol can form a ketone.
D) The oxidation of a carboxylic acid can form a ketone.
E) None of the above.

12. Answer Key – Chapter 13 A B D C