Question 1

How many monochloro derivatives,including stereoisomers,can be formed in the chlorination of 1-bromobutane?

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 7 
E) 8 
A) 4 
B) 5 
C) 6 
D) 7 
E) 8

Question 2

Mono-bromination of the following alkane,   ,(using Br2 with light)would give?

Accepted Answer

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

Question 3

Which hydrogen atom(s)of   is/are most susceptible to abstraction by free radicals?

Accepted Answer

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

Question 4

Draw bond-line formulas of all monochloro derivatives that might be formed when 2,3-dimethylbutane is allowed to react with Cl2 under UV irradiation.For each structure,indicate,with an asterisk,any stereocenters that might be present.

Accepted Answer

Question 5

Which of the following combinations of reactants can provide a demonstrable example of anti-Markovnikov addition?

Accepted Answer

A) CH2=CHCH3 + HCl + ROOR 
B) CH3CH=CH2 + H2O + Cl2 
C) CH3CH=CHCH3 + HBr + ROOR 
D) CH3CH2CH=CH2 + HBr + ROOR 
E) CH3CH2CH=CH2 + Br2 + ROOR 
A) CH2=CHCH3 + HCl + ROOR 
B) CH3CH=CH2 + H2O + Cl2 
C) CH3CH=CHCH3 + HBr + ROOR 
D) CH3CH2CH=CH2 + HBr + ROOR 
E) CH3CH2CH=CH2 + Br2 + ROOR

Question 6

What would be the major product of the following reaction sequence?

Accepted Answer

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

Question 7

Provide a reasonable mechanistic explanation for the formation of small amounts of 3,3,4,4-tetramethylhexane during the free-radical bromination of 2-methylbutane.

Accepted Answer

During the free radical bromination of 2

Question 8

Two radicals that are very important in biological processes are ___ and ___.

Accepted Answer

molecular

Question 9

Chlorofluorocarbons,or freons,diffuse into the upper atmosphere.There,ultraviolet light initiates a radical chain reaction that has been shown to cause extreme damage to ___.

Accepted Answer

The answer of Chlorofluorocarbons,or freons,diffuse into the upper atmosphere.There,ultraviolet light...

Question 10

What is the product for the following three-step reaction sequence?

Accepted Answer

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

Question 11

Deduce the structure of a substance,C8H18,which gives only a single monochloro derivative upon reaction with Cl2 under UV irradiation.

Accepted Answer

Question 12

Complete the following reaction sequence: indicate regiochemical/stereochemical details as relevant.

Accepted Answer

The answer of Complete the following reaction sequence: indicate regiochemical/stereochemical...

Question 13

The free radical chlorination of (R)-2-chloropentane forms a mixture of dichloropentanes which includes:

Accepted Answer

A) three optically active compounds. 
B) two achiral compounds. 
C) two meso compounds. 
D) one pair of diastereomers. 
E) one racemic mixture. 
A) three optically active compounds. 
B) two achiral compounds. 
C) two meso compounds. 
D) one pair of diastereomers. 
E) one racemic mixture.

Question 14

What would be the major product of the following reaction sequence?

Accepted Answer

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

Question 15

Which of the following would be the major product in the following reaction sequence?

Accepted Answer

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

Question 16

What is the product for the following three-step reaction sequence?

Accepted Answer

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

Question 17

Macromolecules made up of many repeating subunits are called ___.

Accepted Answer

The answer of Macromolecules made up of many repeating subunits...

Question 18

At some temperatures,the relative reactivities of 3°,2° and 1° alkane hydrogens in free radical chlorination are in the ratio of 5:3:1.Thus,monochlorination of isopentane should produce these percentages of 2-chloro-2-methylbutane (A),combined 1-chloro-2-methylbutane and 1-chloro-3-methylbutane (B),and 2-chloro-3-methylbutane (C):

Accepted Answer

A) 8% A,75% B,17% C 
B) 25% A,45% B,30% C 
C) 29% A,44% B,18% C 
D) 30% A,35% B,35% C 
E) 36% A,43% B,21% C 
A) 8% A,75% B,17% C 
B) 25% A,45% B,30% C 
C) 29% A,44% B,18% C 
D) 30% A,35% B,35% C 
E) 36% A,43% B,21% C

Question 19

Which carbon of   is predicted to be the major site of substitution when this alkene reacts with chlorine at 400 S1U1P1$\circ$S1S1P0C?

Accepted Answer

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

Question 20

The reason why ___ and ___ radicals are more stable than alkyl radicals is due to electron delocalization through resonance.

Accepted Answer

The answer of The reason why ___ and ___ radicals...

Exam 10: Radical Reactions

How many monochloro derivatives,including stereoisomers,can be formed in the chlorination of 1-bromobutane?

Mono-bromination of the following alkane, ,(using Br2 with light)would give?

Which hydrogen atom(s)of is/are most susceptible to abstraction by free radicals?

Draw bond-line formulas of all monochloro derivatives that might be formed when 2,3-dimethylbutane is allowed to react with Cl2 under UV irradiation.For each structure,indicate,with an asterisk,any stereocenters that might be present.

Which of the following combinations of reactants can provide a demonstrable example of anti-Markovnikov addition?

What would be the major product of the following reaction sequence?

Provide a reasonable mechanistic explanation for the formation of small amounts of 3,3,4,4-tetramethylhexane during the free-radical bromination of 2-methylbutane.

Two radicals that are very important in biological processes are ___ and ___.

Chlorofluorocarbons,or freons,diffuse into the upper atmosphere.There,ultraviolet light initiates a radical chain reaction that has been shown to cause extreme damage to ___.

What is the product for the following three-step reaction sequence?

Deduce the structure of a substance,C8H18,which gives only a single monochloro derivative upon reaction with Cl2 under UV irradiation.

Complete the following reaction sequence: indicate regiochemical/stereochemical details as relevant.

The free radical chlorination of (R)-2-chloropentane forms a mixture of dichloropentanes which includes:

What would be the major product of the following reaction sequence?

Which of the following would be the major product in the following reaction sequence?

What is the product for the following three-step reaction sequence?

Macromolecules made up of many repeating subunits are called ___.

Which carbon of is predicted to be the major site of substitution when this alkene reacts with chlorine at 400 ∘\circ∘ C?

The reason why ___ and ___ radicals are more stable than alkyl radicals is due to electron delocalization through resonance.

The Basics

Families of Carbon

Acids and Bases

Nomenclature and Conformations of Alkanes and Cycloalkanes

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

Mono-bromination of the following alkane, ,(using Br₂ with light)would give?

Draw bond-line formulas of all monochloro derivatives that might be formed when 2,3-dimethylbutane is allowed to react with Cl₂ under UV irradiation.For each structure,indicate,with an asterisk,any stereocenters that might be present.

Two radicals that are very important in biological processes are _ and _.

Deduce the structure of a substance,C₈H₁₈,which gives only a single monochloro derivative upon reaction with Cl₂ under UV irradiation.

Which carbon of $Which carbon of is predicted to be the major site of substitution when this alkene reacts with chlorine at 400 <sup> \circ </sup>C?$ is predicted to be the major site of substitution when this alkene reacts with chlorine at 400 ^$\circ$C?

The reason why _ and _ radicals are more stable than alkyl radicals is due to electron delocalization through resonance.