Question 1

Show the starting material needed to complete the following reaction.

Accepted Answer

The answer of Show the starting material needed to complete...

Question 2

Give the product and mechanism for the following reaction.Be sure to include all mechanism arrows,lone pairs of electrons,and formal charges in your mechanism.

Accepted Answer

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

Question 3

Name two bases that are strong enough to deprotonate the following alkyne.

Accepted Answer

NaH and NaNR₂

Question 4

Rank the following leaving groups' ability to leave in an SN1 reaction from worst leaving group to best leaving group.

Accepted Answer

IV < V

Question 5

What is the major product of the following reaction?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) None of these will be produced. 
A) I 
B) II 
C) III 
D) IV 
E) None of these will be produced.

Question 6

Rank the following nucleophiles in order of weakest to strongest.

Accepted Answer

The answer of Rank the following nucleophiles in order of...

Question 7

Show the most likely product of the following reaction.

Accepted Answer

The answer of Show the most likely product of the...

Question 8

Which attacking species would favor an E2 reaction over an SN2 reaction?

Accepted Answer

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

Question 9

Which mechanism(s)would be favored under the following reaction conditions?

Accepted Answer

A) SN1 
B) SN2 
C) E1 
D) E2 
E) A mixture of SN1 and E1 
A) SN1 
B) SN2 
C) E1 
D) E2 
E) A mixture of SN1 and E1

Question 10

Which mechanism(s)can occur when the following alkyl halide is treated with CH3OF1F1F1S1F1F1F10?

Accepted Answer

A) SN1 
B) E1 
C) SN2 
D) E2 
E) Both SN2 and E2 are possible. 
A) SN1 
B) E1 
C) SN2 
D) E2 
E) Both SN2 and E2 are possible.

Question 11

Circle the solvent(s)that would speed up an E1 reaction mechanism.

Accepted Answer

The answer of Circle the solvent(s)that would speed up an...

Question 12

Which is the best (strongest)nucleophile for an SN2 reaction?

Accepted Answer

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

Question 13

Which reaction mechanism(s)will be favored by a low concentration of ClF1F1F1S1F1F1F10?

Accepted Answer

A) SN1 
B) SN2 
C) E1 
D) E2 
E) A mixture of E1 and SN1 
A) SN1 
B) SN2 
C) E1 
D) E2 
E) A mixture of E1 and SN1

Question 14

Supply a base that would favor the following elimination product over a substitution product.

Accepted Answer

Possible a

Question 15

Which solvent would allow an E2 reaction to occur at the fastest rate?

Accepted Answer

A) Methanol 
B) Acetic acid 
C) Ethyl acetate 
D) Water 
E) Propanol 
A) Methanol 
B) Acetic acid 
C) Ethyl acetate 
D) Water 
E) Propanol

Question 16

A secondary alkyl halide can undergo which of the following mechanisms?

Accepted Answer

A) SN1 
B) E1 
C) SN2 
D) E2 
E) All of these 
A) SN1 
B) E1 
C) SN2 
D) E2 
E) All of these

Question 17

Which of the following bases would make an E2 reaction occur at the fastest rate?

Accepted Answer

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

Question 18

Supply the product of the following reaction,and name the mechanism responsible for its creation.

Accepted Answer

The answer of Supply the product of the following reaction,and...

Question 19

Which of the following is the best leaving group?

Accepted Answer

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

Question 20

Which of the following bases would make an E2 reaction occur at the fastest rate?

Accepted Answer

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

Exam 11: Nucleophilic Substitution and Elimination Reactions 1: Competition Among Sn2,sn1,e2,and E1 Reactions

Show the starting material needed to complete the following reaction.

Give the product and mechanism for the following reaction.Be sure to include all mechanism arrows,lone pairs of electrons,and formal charges in your mechanism.

Name two bases that are strong enough to deprotonate the following alkyne.

Rank the following leaving groups' ability to leave in an SN1 reaction from worst leaving group to best leaving group.

What is the major product of the following reaction?

Rank the following nucleophiles in order of weakest to strongest.

Show the most likely product of the following reaction.

Which attacking species would favor an E2 reaction over an SN2 reaction?

Which mechanism(s)would be favored under the following reaction conditions?

Which mechanism(s)can occur when the following alkyl halide is treated with CH3O?

Circle the solvent(s)that would speed up an E1 reaction mechanism.

Which is the best (strongest)nucleophile for an SN2 reaction?

Which reaction mechanism(s)will be favored by a low concentration of Cl?

Supply a base that would favor the following elimination product over a substitution product.

Which solvent would allow an E2 reaction to occur at the fastest rate?

A secondary alkyl halide can undergo which of the following mechanisms?

Which of the following bases would make an E2 reaction occur at the fastest rate?

Supply the product of the following reaction,and name the mechanism responsible for its creation.

Which of the following is the best leaving group?

Which of the following bases would make an E2 reaction occur at the fastest rate?

Atomic and Molecular Structure

Interchapter: Nomenclature 1-4

Interchapter 1molecular Orbital Theory and Chemical Reactions

Three-Dimensional Geometry,intermolecular Interactions,and Physical Properties

Orbital Interactions 1: Hybridization and Two-Center Molecular Orbitals

Isomerism 1: Conformational and Constitutional Isomers

Isomerism 2: Chirality,enantiomers,and Diastereomers

The Proton Transfer Reaction: an Introduction to Mechanisms,thermodynamics,and Charge Stability

An Overview of the Most Common Elementary Steps

An Introduction to Multistep Mechanisms: Sn1 and E1 Reactions

Nucleophilic Substitution and Elimination Reactions 2: Reactions That Are Useful for Synthesis

Electrophilic Addition to Nonpolar Π Bonds 1: Addition of a Brønsted Acid

Electrophilic Addition to Nonpolar Π Bonds 2: Reactions Involving Cyclic Transition States

Organic Synthesis 1: Beginning Concepts

Orbital Interactions 2: Extended Π Systems,conjugation,and Aromaticity

Structure Determination 1: Ultravioletvisible and Infrared Spectroscopies

Structure Determination 2: Nuclear Magnetic Resonance Spectroscopy and Mass Spectrometry

Nucleophilic Addition to Polar Π Bonds 1: Addition of Strong Nucleophiles

Nucleophilic Addition to Polar Π Bonds 2: Addition of Weak Nucleophiles and Acid and Base Catalysis

Organic Synthesis 2: Intermediate Topics in Synthesis Design,and Useful Reduction and Oxidation Reactions

Nucleophilic Additionelimination Reactions 1: the General Mechanism Involving Strong Nucleophiles

Nucleophilic Additionelimination Reactions 2: Weak Nucleophiles

Electrophilic Aromatic Substitution 1: Substitution on Benzene; Useful Accompanying Reactions

Electrophilic Aromatic Substitution 2: Substitution on Mono- and Disubstituted Benzene and Other Aromatic Rings

The Dielsalder Reaction and Other Pericyclic Reactions

Reactions Involving Free Radicals

Polymers

Filters

Rank the following leaving groups' ability to leave in an S_N1 reaction from worst leaving group to best leaving group.

Which attacking species would favor an E2 reaction over an S_N2 reaction?

Which mechanism(s)can occur when the following alkyl halide is treated with CH₃O^?

Which is the best (strongest)nucleophile for an S_N2 reaction?

Which reaction mechanism(s)will be favored by a low concentration of Cl^?