Question 1

When drawing a curved arrow mechanism, the head of the arrow goes to__________.

Accepted Answer

A)  the bond that is being formed 
B)  the bond that is being broken 
C)  the source of electrons that is being moved 
D)  the location to which the electrons are being moved 
A)  the bond that is being formed 
B)  the bond that is being broken 
C)  the source of electrons that is being moved 
D)  the location to which the electrons are being moved

Question 2

Rank the following compounds from most to least reactive in an SN1 reaction.

Accepted Answer

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

Question 3

What is the nucleophile in the following reaction?

Accepted Answer

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

Question 4

Rank the following from most to least stable.

Accepted Answer

The answer of Rank the following from most to least...

Question 5

The structure of Singulair (montelukast), a medication used to manage asthma, is below. What is the degree of substitution of the alkene in Singulair?

Accepted Answer

A)  monosubstituted 
B)  disubstituted 
C)  trisubstituted 
D)  tetrasubstituted 
A)  monosubstituted 
B)  disubstituted 
C)  trisubstituted 
D)  tetrasubstituted

Question 6

Which of the following is the energy diagram for the following reaction?

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

What is (are) the most likely product(s) for the following reaction?

Accepted Answer

The answer of What is (are) the most likely product(s)...

Question 9

Consider the following SN2 reaction,   Assuming no other changes, what is the effect on the rate, if the concentration of both 1-chloro-3-methylbutane and NaN3 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 10

Consider the following SN2 reaction,   Assuming no other changes, what is the effect on the rate, if the concentration of 2-bromopentane is doubled and the concentration of CH3CH2COONa is halved?

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 11

Provide the reagents necessary to carry out the following conversion.

Accepted Answer

A)  NaCl in water 
B)  NaCl in ether 
C)  HCl in water 
D)  TsCl/pyridine followed by NaCl 
A)  NaCl in water 
B)  NaCl in ether 
C)  HCl in water 
D)  TsCl/pyridine followed by NaCl

Question 12

What is the product of the following elimination?

Accepted Answer

The answer of What is the product of the following...

Question 13

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 14

Which of the following alkenes is more stable?

Accepted Answer

The answer of Which of the following alkenes is more...

Question 15

Draw the mechanism and product for the following elimination.

Accepted Answer

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

Question 16

Predict the product for the following reaction.

Accepted Answer

The answer of Predict the product for the following reaction....

Question 17

What is the product of the following elimination?

Accepted Answer

The answer of What is the product of the following...

Question 18

By what mechanism is the following reaction likely to occur?

Accepted Answer

The answer of By what mechanism is the following reaction...

Question 19

Predict the major product(s) and provide a curved arrow mechanism for the formation of the product.

Accepted Answer

@#IMG-DLM&_TB4454_00 Mechanism: @#IMG-DLM&_TB4454_00 NOTE TO

Question 20

Provide a curved arrow mechanism and predict the product for the following reaction.

Accepted Answer

The answer of Provide a curved arrow mechanism and predict...

Exam 7: Alkyl Halides: Nucleophilic Substitution and Elimination Reactions

When drawing a curved arrow mechanism, the head of the arrow goes to__________.

Rank the following compounds from most to least reactive in an SN1 reaction.

What is the nucleophile in the following reaction?

Rank the following from most to least stable.

The structure of Singulair (montelukast), a medication used to manage asthma, is below. What is the degree of substitution of the alkene in Singulair?

Which of the following is the energy diagram for the following reaction?

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

What is (are) the most likely product(s) for the following reaction?

Consider the following SN2 reaction, Assuming no other changes, what is the effect on the rate, if the concentration of both 1-chloro-3-methylbutane and NaN3 is doubled?

Consider the following SN2 reaction, Assuming no other changes, what is the effect on the rate, if the concentration of 2-bromopentane is doubled and the concentration of CH3CH2COONa is halved?

Provide the reagents necessary to carry out the following conversion.

What is the product of the following elimination?

Predict the product for the following SN1 reaction.

Which of the following alkenes is more stable?

Draw the mechanism and product for the following elimination.

Predict the product for the following reaction.

What is the product of the following elimination?

By what mechanism is the following reaction likely to occur?

Predict the major product(s) and provide a curved arrow mechanism for the formation of the product.

Provide a curved arrow mechanism and predict the product for the following 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

Rank the following compounds from most to least reactive in an S_N1 reaction.

Consider the following S_N2 reaction, Assuming no other changes, what is the effect on the rate, if the concentration of both 1-chloro-3-methylbutane and NaN₃is doubled?

Consider the following S_N2 reaction, Assuming no other changes, what is the effect on the rate, if the concentration of 2-bromopentane is doubled and the concentration of CH₃CH₂COONa is halved?

Predict the product for the following S_N1 reaction.