Question 1

Which of the following is most reactive in an E1 reaction?

Accepted Answer

A)  I 
B)  II 
C)  III 
A)  I 
B)  II 
C)  III

Question 2

Consider the following SN2 reaction,   Assuming no other changes, what is the effect on the rate, if the concentration of 1-chloro-3-methylbutane is doubled?

Accepted Answer

A)  No effect 
B)  It would double the rate 
C)  It would triple the rate 
D)  It would increase four times 
E)  It would reduce by half 
A)  No effect 
B)  It would double the rate 
C)  It would triple the rate 
D)  It would increase four times 
E)  It would reduce by half

Question 3

Predict the product for the following reaction.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 4

Predict the major product for the following SN1 reaction.

Accepted Answer

A)  I 
B)  II 
C)  Both I & III 
D)  Both II & IV 
E)  None of these 
A)  I 
B)  II 
C)  Both I & III 
D)  Both II & IV 
E)  None of these

Question 5

Which of the following is the correct mechanism for the elimination reaction of 2-bromo-2,3-dimethylbutane with methoxide?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
A)  I 
B)  II 
C)  III 
D)  IV

Question 6

Which of the following is a substitution reaction?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
A)  I 
B)  II 
C)  III 
D)  IV

Question 7

Which of the following is a secondary alkyl halide?

Accepted Answer

A)  1-Bromo-2-methylpropane 
B)  2-Bromopropane 
C)  1-Bromobutane 
D)  2-Bromo-2-methylpropane 
A)  1-Bromo-2-methylpropane 
B)  2-Bromopropane 
C)  1-Bromobutane 
D)  2-Bromo-2-methylpropane

Question 8

Predict the product for the following SN1 reaction.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
A)  I 
B)  II 
C)  III 
D)  IV

Question 9

Draw the E isomer of 2-methyl-3-heptene.

Accepted Answer

The answer of Draw the E isomer of 2-methyl-3-heptene....

Question 10

Predict the product for the following reaction.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  I and II 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  I and II

Question 11

Draw the mechanism and product for the following elimination, without using rearrangement.

Accepted Answer

The answer of Draw the mechanism and product for the...

Question 12

Consider the following SN2 reaction,   Assuming no other changes, what is the effect on the rate, if the concentration of NaN3 is tripled?

Accepted Answer

A)  No effect 
B)  It would double the rate 
C)  It would triple the rate 
D)  It would increase four times 
E)  It would increase the rate six times 
A)  No effect 
B)  It would double the rate 
C)  It would triple the rate 
D)  It would increase four times 
E)  It would increase the rate six times

Question 13

For the following reaction, label the nucleophile, electrophile, and leaving group.

Accepted Answer

The answer of For the following reaction, label the nucleophile,...

Question 14

For the following dehydration, draw the structure of the intermediate carbocation.

Accepted Answer

The answer of For the following dehydration, draw the structure...

Question 15

Predict the major product for the following SN1 reaction.

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 16

Which of the following is a substitution reaction?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
A)  I 
B)  II 
C)  III 
D)  IV

Question 17

Draw the isomer of 2-bromo-1,1,3-trimethylcyclohexane that would be more reactive in an E2 elimination.

Accepted Answer

@#IMG-DLM&_TB4454_00

Question 18

Draw the mechanism and product for the following E2 reaction.

Accepted Answer

The answer of Draw the mechanism and product for the...

Question 19

Which of the following is a secondary alkyl halide?

Accepted Answer

A)  (CH3)2CHCH2Cl 
B)  (CH3)2CClCH2CH3 
C)  (CH3)2CHCHClCH3 
D)  (CH3)2CHCH2CCl(CH3)2 
A)  (CH3)2CHCH2Cl 
B)  (CH3)2CClCH2CH3 
C)  (CH3)2CHCHClCH3 
D)  (CH3)2CHCH2CCl(CH3)2

Question 20

Which of the following is an elimination reaction?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
A)  I 
B)  II 
C)  III 
D)  IV

Exam 7: Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

Which of the following is most reactive in an E1 reaction?

Consider the following SN2 reaction, Assuming no other changes, what is the effect on the rate, if the concentration of 1-chloro-3-methylbutane is doubled?

Predict the product for the following reaction.

Predict the major product for the following SN1 reaction.

Which of the following is the correct mechanism for the elimination reaction of 2-bromo-2,3-dimethylbutane with methoxide?

Which of the following is a substitution reaction?

Which of the following is a secondary alkyl halide?

Predict the product for the following SN1 reaction.

Draw the E isomer of 2-methyl-3-heptene.

Predict the product for the following reaction.

Draw the mechanism and product for the following elimination, without using rearrangement.

Consider the following SN2 reaction, Assuming no other changes, what is the effect on the rate, if the concentration of NaN3 is tripled?

For the following reaction, label the nucleophile, electrophile, and leaving group.

For the following dehydration, draw the structure of the intermediate carbocation.

Predict the major product for the following SN1 reaction.

Which of the following is a substitution reaction?

Draw the isomer of 2-bromo-1,1,3-trimethylcyclohexane that would be more reactive in an E2 elimination.

Draw the mechanism and product for the following E2 reaction.

Which of the following is a secondary alkyl halide?

Which of the following is an elimination reaction?

A Review of General Chemistry: Electrons, Bonds, and Molecular Properties

Molecular Representations

Acids and Bases

Alkanes and Cycloalkanes

Stereoisomerism

Chemical Reactivity and Mechanisms

Addition Reactions of Alkenes

Alkynes

Radical Reactions

Synthesis

Alcohols and Phenols

Ethers and Epoxides; Thiols and Sulfides

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Conjugated Pi Systems and Pericyclic Reactions

Aromatic Compounds

Aromatic Substitution Reactions

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Alpha Carbon Chemistry: Enols and Enolates

Amines

Introduction to Organometallic Compounds

Carbohydrates

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

Consider the following S_N2 reaction, Assuming no other changes, what is the effect on the rate, if the concentration of 1-chloro-3-methylbutane is doubled?

Predict the major product for the following S_N1 reaction.

Predict the product for the following S_N1 reaction.

Consider the following S_N2 reaction, Assuming no other changes, what is the effect on the rate, if the concentration of NaN₃is tripled?

Predict the major product for the following S_N1 reaction.