Question

A) Which alkyl halide reacts the fastest by the S_N2 mechanism?

a) (CH₃)₂CHBr b) CH₃Br c) CH₃CH₂Br d) (CH₃)₃CBr

B) Which alkyl halide undergoes an S_N2 reaction with sodium cyanide at the fastest rate?

a) CH₃CH₂Cl b) CH₃CH₂I c) CH₃CH₂Br d) CH₃CH₂F

C) What does the "2" in S_N2 refer to?

a) The reaction produces two products. One product is formed with inversion of configuration and the other product is formed with retention of configuration.

b) The reaction takes place in two steps

c) The rate of the reaction depends upon the concentration of two reactants.

d) The reaction produces two products that are related as diastereomers.

D) What product(s) will be formed in the S_N2 reaction of (R)-2-bromopentane with sodium cyanide?

a) (S)-2-cyanopentane

b) (R)-2-cyanopentane

c) A racemic mixture of both enantiomers of 2-cyanopentane

E) Which two diastereomeric products will be formed in the solvolysis reaction shown below?

F) Which of the following carbocations will be the most stable and most likely carbocation formed during the solvolysis of 1-chloro-2-methylcyclohexane in CH₃OH?

G) What does the "1" in S_N1 refer to?

a) The rate of the reaction depends upon the concentration of only one reactant.

b) The reaction takes place in one step.

c) The reaction produces only one product.

d) The product that's formed has either retention or inversion of configuration.

H) What product(s) will be formed in the S_N2 reaction shown below?

I) Which product(s) will be formed in the S_N2 reaction shown below?

J) What is the order of decreasing stability of the carbocations shown below?

Br CH3OH OCH3 OCH Br ÖCH3 OCH