Deck 13: Reaction Mechanisms: The Chemical Changes That Drive the Chemistry of Life

Question 1

Match the correct words with the numbered gaps in the following relationship:

-The addition of the components of a water molecule across a double bond

A) Hydrolysis
B) Hydration
C) Condensation
D) Addition

Answer 1

B

Question 2

Match the correct words with the numbered gaps in the following relationship:

-The combination of two reactants, with the simultaneous elimination of a small molecule

A) Hydrolysis
B) Hydration
C) Condensation
D) Addition

Answer 2

C

Question 3

Match the correct words with the numbered gaps in the following relationship:

-The combination of all the components of two reactants

A) Hydrolysis
B) Hydration
C) Condensation
D) Addition

Answer 3

D

Question 4

Condensation is the combination of which two of the following types of reaction?

A) Addition
B) Substitution
C) Elimination
D) Hydrolysis
E) Polymerization

Question 5

The following reaction mechanism is a type of which one of the following?

A) Substitution
B) Addition
C) Condensation
D) Elimination

Question 6

Hydrolysis reverses which of the following types of reaction?

A) Hydration
B) Elimination
C) Substitution
D) Condensation

Question 7

The hydrolysis of which bond in ATP yields energy to drive biochemical reactions in the cell?

A) A
B) B
C) C
D) D

Question 8

Which of the following statements about reaction mechanisms are true? Select all that apply.

A) The polymerization of amino acids to form polypeptides is an example of an addition reaction.
B) Esterification is an example of a condensation reaction.
C) Addition only occurs across the C=C double bond.
D) Hydration is an example of an addition reaction.
E) A carbon atom carrying a positive charge is called a carbocation.

Question 9

Match the correct labels to the positions A-F in this energy diagram:

-Products

A) A
B) B
C) C
D) D
E) E
F) F

Question 10

Match the correct labels to the positions A-F in this energy diagram:

-Energy

A) A
B) B
C) C
D) D
E) E
F) F

Question 11

Match the correct labels to the positions A-F in this energy diagram:

-Transition state

A) A
B) B
C) C
D) D
E) E
F) F

Question 12

Match the correct labels to the positions A-F in this energy diagram:

-Progress of reaction

A) A
B) B
C) C
D) D
E) E
F) F

Question 13

Match the correct labels to the positions A-F in this energy diagram:

-Reactants

A) A
B) B
C) C
D) D
E) E
F) F

Question 14

Match the correct labels to the positions A-F in this energy diagram:

-Intermediate

A) A
B) B
C) C
D) D
E) E
F) F

Question 15

A two-step reaction has associated with it how many transition states?

A) None
B) One
C) Two
D) Three
E) Four

Question 16

Put the following species in order of relative energy, with 1 being the lowest-energy, and 4 being the highest.

Question 17

Match the following abbreviations with their correct descriptions.
-A two-step elimination reaction
B) A one-step elimination reaction
C) A two-step nucleophilic substitution reaction
D) A one-step nucleophilic substitution reaction

Question 18

Match the following abbreviations with their correct descriptions.
-A two-step elimination reaction
B) A one-step elimination reaction
C) A two-step nucleophilic substitution reaction
D) A one-step nucleophilic substitution reaction

Question 19

Match the following abbreviations with their correct descriptions.
-S_N1

A) A two-step elimination reaction
B) A one-step elimination reaction
C) A two-step nucleophilic substitution reaction
D) A one-step nucleophilic substitution reaction

Question 20

Match the following abbreviations with their correct descriptions.
-S_N2

A) A two-step elimination reaction
B) A one-step elimination reaction
C) A two-step nucleophilic substitution reaction
D) A one-step nucleophilic substitution reaction

Question 21

The reaction scheme shown here represents which one of the following reaction types?

A) E1
B) E2
C) S_N1
D) S_N2
E) Addition

Question 22

The reaction scheme shown here represents which one of the following reaction types?

A) E1
B) Condensation
C) _N1
D) S_N2
E) E2

Question 23

The reaction scheme shown here represents which one of the following reaction types?

A) Condensation
B) Elimination
C) Hydrolysis
D) Hydration
E) Substitution

Question 24

Which of the following is produced by the final step of glycolysis?

A) Acetyl CoA
B) Glucose
C) ATP
D) Pyruvate
E) Fructose

Question 25

Which of the following schemes correctly depicts what is happening during nucleophilic attack on a carbonyl group?

A)
B)
C)
D)

Question 26

A(n) _________ can undergo nucleophilic attack on the carbonyl group of an aldehyde to form a hemiacetal.