Organic Chemistry 6Th Edition By Smith – Test Bank

Organic Chemistry 6Th Edition By Smith – Test Bank

Organic Chemistry, 6e (Smith)
Chapter 6 Understanding Organic Reactions

1) Which of the following statements about substitution reactions is true?
A) Substitution reactions involve π bonds.
B) Substitution reactions involve σ bonds.
C) One σ bond breaks and another forms at a different carbon atom.
D) One π bond breaks and another forms at the same carbon atom.

Answer: B
Difficulty: 1 Easy
Section: 06.02
Topic: Chemical Reactions
Bloom’s: 2. Understand
Chapter: 06
Accessibility: Keyboard Navigation

2) What kind of reaction does the conversion of A to B represent?

A) Addition reaction
B) Substitution reaction
C) Elimination reaction
D) Acid-base reaction

Answer: B
Difficulty: 1 Easy
Section: 06.02
Topic: Chemical Reactions
Bloom’s: 2. Understand
Chapter: 06

3) Which of the following statements about elimination reactions is true?
A) Two σ bonds are broken.
B) Two σ bonds are formed.
C) Two π bonds are broken.
D) Two π bonds are formed.

Answer: A
Difficulty: 1 Easy
Section: 06.02
Topic: Chemical Reactions
Bloom’s: 2. Understand
Chapter: 06
Accessibility: Keyboard Navigation

4) What kind of reaction does the conversion of A to B represent?

A) Addition reaction
B) Elimination reaction
C) Substitution reaction
D) Oxidation-reduction reaction

Answer: B
Difficulty: 1 Easy
Section: 06.02
Topic: Chemical Reactions
Bloom’s: 2. Understand
Chapter: 06

5) Which of the following statements about addition reactions is true?
A) Two π bonds are formed.
B) Two π bonds are broken.
C) Two σ bonds are formed.
D) One π bond is formed.

Answer: C
Difficulty: 1 Easy
Section: 06.02
Topic: Chemical Reactions
Bloom’s: 2. Understand
Chapter: 06
Accessibility: Keyboard Navigation
6) What kind of reaction does the conversion of A to B represent?

A) Acid-base reaction
B) Elimination reaction
C) Substitution reaction
D) Addition reaction

Answer: D
Difficulty: 1 Easy
Section: 06.02
Topic: Chemical Reactions
Bloom’s: 2. Understand
Chapter: 06

7) Which of the following statements about bond breaking is true?
A) Homolysis and heterolysis require energy.
B) In homolysis, the electrons in the bond are divided unequally.
C) In heterolysis, the electrons in the bond are divided equally.
D) Homolysis generates charged intermediates.

Answer: A
Difficulty: 1 Easy
Section: 06.03
Topic: Chemical Reactions
Bloom’s: 2. Understand
Chapter: 06
Accessibility: Keyboard Navigation

8) Which of the following statements about bond breaking is not true?
A) Homolysis generates uncharged reactive intermediates with unpaired electrons.
B) Homolysis require energy but heterolysis does not require energy.
C) Heterolysis generates charged intermediates.
D) Heterolysis involves unequal sharing of bonding electrons by atoms.

Answer: B
Difficulty: 1 Easy
Section: 06.03
Topic: Chemical Reactions
Bloom’s: 2. Understand
Chapter: 06
Accessibility: Keyboard Navigation