Question 1

Provide the major organic product of the following reaction.

Accepted Answer

The answer of Provide the major organic product of the...

Question 2

Which of the compounds shown below is/are the product(s)of this reaction?

Accepted Answer

A) I only 
B) II only 
C) I and II are of equal yield. 
D) I is major,II is minor. 
E) I is minor,II is major. 
A) I only 
B) II only 
C) I and II are of equal yield. 
D) I is major,II is minor. 
E) I is minor,II is major.

Question 3

Assuming no other changes,what is the effect of doubling only the concentration of the alkyl halide in the above SN2 reaction?

Accepted Answer

A) no change 
B) doubles the rate 
C) triples the rate 
D) quadruples the rate 
E) rate is halved 
A) no change 
B) doubles the rate 
C) triples the rate 
D) quadruples the rate 
E) rate is halved

Question 4

Give the mechanism of the reaction shown below.

Accepted Answer

The answer of Give the mechanism of the reaction shown...

Question 5

Which sequence of reagents works best to convert 3-hexene to 3-hexyne?

Accepted Answer

A) 1)HCl 2.NaNH2 
B) 1)BH3∙THF 2.HO-,H2O2 3.NaNH2 
C) 1)NaNH2 2.HI 3.H3O+ 
D) 1)Br2,CH2Cl2 2.NaNH2 (excess) 
E) 1)Cl2,CH2Cl2 2.NaCN (excess) 
A) 1)HCl 2.NaNH2 
B) 1)BH3∙THF 2.HO-,H2O2 3.NaNH2 
C) 1)NaNH2 2.HI 3.H3O+ 
D) 1)Br2,CH2Cl2 2.NaNH2 (excess) 
E) 1)Cl2,CH2Cl2 2.NaCN (excess)

Question 6

Which of the following SN2 reactions is the fastest?

Accepted Answer

A) CH3CH2CH2CH2Br + OH- → CH3CH2CH2CH2OH + Br- 
B) CH3CH2CH2CH2Br + H2O → CH3CH2CH2CH2OH + HBr 
C) CH3CH2CHBrCH3 + OH- → CH3CH2CHOHCH3 + Br- 
D) CH3CH2CHBrCH3 + H2O → CH3CH2CHOHCH3 + HBr 
A) CH3CH2CH2CH2Br + OH- → CH3CH2CH2CH2OH + Br- 
B) CH3CH2CH2CH2Br + H2O → CH3CH2CH2CH2OH + HBr 
C) CH3CH2CHBrCH3 + OH- → CH3CH2CHOHCH3 + Br- 
D) CH3CH2CHBrCH3 + H2O → CH3CH2CHOHCH3 + HBr

Question 7

What is the major organic product of the following reaction?

Accepted Answer

A) 2,3-dimethyl-1-hexene 
B) 2,3-dimethyl-2-hexene 
C) 2-isopropyl-1-pentene 
D) (Z)-2,3-dimethyl-3-hexene 
E) (
E) -2,3-dimethyl-3-hexene 
A) 2,3-dimethyl-1-hexene 
B) 2,3-dimethyl-2-hexene 
C) 2-isopropyl-1-pentene 
D) (Z)-2,3-dimethyl-3-hexene 
E) (
E) -2,3-dimethyl-3-hexene

Question 8

Which of the following alkyl bromides is likely to undergo rearrangement by a 1,2-methyl shift?

Accepted Answer

A) benzyl bromide 
B) 2-bromo-3-ethylpentane 
C) 3-bromo-3-methylpentane 
D) 2-bromo-3,3-dimethylpentane 
E) 3-bromo-2,3-dimethylpentane 
A) benzyl bromide 
B) 2-bromo-3-ethylpentane 
C) 3-bromo-3-methylpentane 
D) 2-bromo-3,3-dimethylpentane 
E) 3-bromo-2,3-dimethylpentane

Provide the major organic product of the following reaction.

Which of the compounds shown below is/are the product(s)of this reaction?

Assuming no other changes,what is the effect of doubling only the concentration of the alkyl halide in the above S_N2 reaction?

Give the mechanism of the reaction shown below.

Which sequence of reagents works best to convert 3-hexene to 3-hexyne?

Which of the following S_N2 reactions is the fastest?

What is the major organic product of the following reaction?

Which of the following alkyl bromides is likely to undergo rearrangement by a 1,2-methyl shift?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Exam 9: Substitution and Elimination Reactions of Alkyl Halides

Provide the major organic product of the following reaction.

Which of the compounds shown below is/are the product(s)of this reaction?

Assuming no other changes,what is the effect of doubling only the concentration of the alkyl halide in the above SN2 reaction?

Give the mechanism of the reaction shown below.

Which sequence of reagents works best to convert 3-hexene to 3-hexyne?

Which of the following SN2 reactions is the fastest?

What is the major organic product of the following reaction?

Which of the following alkyl bromides is likely to undergo rearrangement by a 1,2-methyl shift?

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Assuming no other changes,what is the effect of doubling only the concentration of the alkyl halide in the above S_N2 reaction?

Which of the following S_N2 reactions is the fastest?