Substitution and Elimination Reactions

Question 1

How does Cl- function as a reagent?

Answer 1

as a nucleophile only

Question 2

How does Br- function as a reagent?

Answer 2

as a nucleophile only

Question 3

How does I- function as a reagent?

Answer 3

as a nucleophile only

Question 4

How does HS- function as a reagent?

Answer 4

as a nucleophile only

Question 5

How does RS- function as a reagent?

Answer 5

as a nucleophile only

Question 6

How does H2S function as a reagent?

Answer 6

as a nucleophile only

Question 7

How does RSH function as a reagent?

Answer 7

as a nucleophile only

Question 8

How does a hydride ion (NaH) function as a reagent?

Answer 8

as a base only

Question 9

How does tert-butoxide function as a reagent?

Answer 9

as a base only; technically is a strong nucleophile as well, but in practice does not function as a nucleophile due to steric hindrance

Question 10

How does HO- function as a reagent?

Answer 10

as a strong nucleophile and a strong base

Question 11

How does MeO- function as a reagent?

Answer 11

as a strong nucleophile and a strong base

Question 12

How does EtO- function as a reagent?

Answer 12

as a strong nucleophile and a strong base

Question 13

How does H2O function as a reagent?

Answer 13

as a weak nucleophile and a weak base

Question 14

How does MeOH function as a reagent?

Answer 14

as a weak nucleophile and a weak base

Question 15

How does EtOH function as a reagent?

Answer 15

as a weak nucleophile and a weak base

Question 16

What kind of reactions come from weak base/weak nucleophile reagents?

Answer 16

SN1 and E1

Question 17

What kind of reactions come from strong base/strong nucleophile reagents?

Answer 17

SN2 and E2

Question 18

What kind of reactions come from using a strong base and a weak nucleophile?

Answer 18

Elimination only

Question 19

What kind of reactions come from using a strong nucleophile and a weak base?

Answer 19

Substitution only