Question 1

How many monochlorination products can be formed (constitutional isomers only)from the reaction of (CH3)2CHCH2CH3 with Cl2 and hn?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
A) 2 
B) 3 
C) 4 
D) 5

Question 2

A possible reaction of ethane with chlorine is shown below.   This reaction could conceivably occur by the following chain mechanisms [1],[2],and [3].Determine DH for step [1].   Bond dissociation energies (kcal/mol):

Accepted Answer

A) -5 kcal/mol 
B) +58 kcal/mol 
C) -28 kcal/mol 
D) None of the choices are correct. 
A) -5 kcal/mol 
B) +58 kcal/mol 
C) -28 kcal/mol 
D) None of the choices are correct.

Question 3

A possible reaction of ethane with chlorine is shown below.   This reaction could conceivably occur by the following chain mechanisms [1],[2],and [3].The chain initiating step(s)is (are)________.

Accepted Answer

A) Only [1] 
B) Only [2] 
C) Only [3] 
D) Only [1] and [2] 
A) Only [1] 
B) Only [2] 
C) Only [3] 
D) Only [1] and [2]

Question 4

Which of the following statements about the propagation steps in the chlorination of ethane is true?

Accepted Answer

A) Radical chlorination consists of two propagation steps. 
B) The energy diagram for the propagation steps has three energy barriers. 
C) The first of the propagation steps is rate-determining because its transition state is at lower energy. 
D) The second of the propagation steps is rate-determining because its transition state is at higher energy. 
A) Radical chlorination consists of two propagation steps. 
B) The energy diagram for the propagation steps has three energy barriers. 
C) The first of the propagation steps is rate-determining because its transition state is at lower energy. 
D) The second of the propagation steps is rate-determining because its transition state is at higher energy.

Question 5

Identify the monomer used to make the following polymer.

Accepted Answer

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

Question 6

How many monochlorination products can be formed from the reaction of (CH3)3CH with Cl2 and hn?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 7

What is/are the product(s)of the following monochlorination?

Accepted Answer

A) I 
B) II 
C) III 
D) All of the choices are correct. 
A) I 
B) II 
C) III 
D) All of the choices are correct.

Question 8

Identify the monomer used to make the following polymer.

Accepted Answer

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

Question 9

Which of the indicated hydrogens is most readily abstracted in a free radical halogenation reaction?

Accepted Answer

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

Question 10

Determine the product of the following reaction.

Accepted Answer

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

Question 11

Which of the following statements is (are)true about free radical halogenation of alkanes?

Accepted Answer

A) The first of the chain-propagating steps is rate-determining. 
B) The reaction proceeds by way of a flat sp2 hybridized free radical. 
C) The chain-initiating step involves cleavage of a carbon-hydrogen bond to afford a carbon radical and a hydrogen atom. 
D) Statements (The first of the chain-propagating steps is rate-determining)and (The reaction proceeds by way of a flat sp2 hybridized free radical)are both true. 
A) The first of the chain-propagating steps is rate-determining. 
B) The reaction proceeds by way of a flat sp2 hybridized free radical. 
C) The chain-initiating step involves cleavage of a carbon-hydrogen bond to afford a carbon radical and a hydrogen atom. 
D) Statements (The first of the chain-propagating steps is rate-determining)and (The reaction proceeds by way of a flat sp2 hybridized free radical)are both true.

Exam 13: Radical Reactions

How many monochlorination products can be formed (constitutional isomers only)from the reaction of (CH3)2CHCH2CH3 with Cl2 and hn?

A possible reaction of ethane with chlorine is shown below. This reaction could conceivably occur by the following chain mechanisms [1],[2],and [3].Determine DH for step [1]. Bond dissociation energies (kcal/mol):

A possible reaction of ethane with chlorine is shown below. This reaction could conceivably occur by the following chain mechanisms [1],[2],and [3].The chain initiating step(s)is (are)________.

Which of the following statements about the propagation steps in the chlorination of ethane is true?

Identify the monomer used to make the following polymer.

How many monochlorination products can be formed from the reaction of (CH3)3CH with Cl2 and hn?

What is/are the product(s)of the following monochlorination?

Identify the monomer used to make the following polymer.

Which of the indicated hydrogens is most readily abstracted in a free radical halogenation reaction?

Determine the product of the following reaction.

Which of the following statements is (are)true about free radical halogenation of alkanes?

Structure and Bonding

Acids and Bases

Introduction to Organic Molecules and Functional Groups

Alkanes

Stereochemistry

Understanding Organic Reactions

Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Elimination Reactions

Alcohols,ethers,and Related Compounds

Alkenes and Addition Reactions

Alkynes and Synthesis

Oxidation and Reduction

Conjugation,resonance,and Dienes

Benzene and Aromatic Compounds

Reactions of Aromatic Compounds

Introduction to Carbonyl Chemistry; Organometallic Reagents; Oxidation and Reduction

Aldehydes and Ketones - Nucleophilic Addition

Carboxylic Acids and the Acidity of the O-H Bond

Carboxylic Acids and Their Derivatives Nucleophilic Acyl Substitution

Substitution Reactions of Carbonyl Compounds at the a Carbon

Carbonyl Condensation Reactions

Amines

Carbon-Carbon Bond-Forming Reactions in Organic Synthesis

Pericyclic Reactions

Carbohydrates

Amino Acids and Proteins

Synthetic Polymers

Lipids

Spectroscopy A: Mass Spectrometry

Spectroscopy B: Infrared Spectroscopy

Spectroscopy C: Nuclear Magnetic Resonance Spectroscopy

Filters

How many monochlorination products can be formed (constitutional isomers only)from the reaction of (CH₃)₂CHCH₂CH₃ with Cl₂ and hn?

How many monochlorination products can be formed from the reaction of (CH₃)₃CH with Cl₂ and hn?