Test Bank For Organic Chemistry 7th Edition By Brown

CHAPTER 8—HALOALKANES, HALOGENATION, AND RADICAL REACTIONS

MULTIPLE CHOICE

1.What is the IUPAC name of the following compound?

a. (R)-1-chloro-3-methyl-2-cyclohexene  b. (S)-1-chloro-3-methyl-2-cyclohexene  c. (R)-3-chloro-1-methylcyclohexene  d. (S)-3-chloro-1-methylcyclohexene

ANS:C

2.What is the IUPAC name of the following compound?

a. (R)-2-bromo-2-vinylpentane  b. (S)-2-bromo-2-vinylpentane  c. (S)-3-bromo-3-propyl-1-butene  d. (R)-3-bromo-3-methyl-1-hexene

ANS:D

3.What is the IUPAC name of the following compound?

a. (E)-1-chloro-1,2,3-trimethyl-1-butene  b. (Z)-1-chloro-1,2,3-trimethyl-1-butene  c. (E)-2-chloro-3,4-dimethyl-2-pentene  d. (Z)-2-chloro-3,4-dimethyl-2-pentene

ANS:D

4. What is the correct assignment of the names of the following compounds?

1. CH3Cl  2. CH2Cl2  3. CHCl3

a. 1 = methyl chloride; 2 = chloroform; 3 = methylene chloride  b. 1 = trichlor; 2 = chloroform; 3 = methylene chloride  c. 1 = methyl chloride; 2 = methylene chloride; 3 = chloroform  d. 1 = chloroform; 2 = methylene chloride; 3 = trichlor

ANS:C

5.Which of the following has the list of compounds in the correct order of decreasing boiling point (higher boiling point > lower boiling point)?

a. chloromethane > chloroethane > 2-chloropropane > 2-chloro-2-methylpropane  b. 2-chloro-2-methylpropane > 2-chloropropane > chloroethane > chloromethane  c. chloroethane > chloromethane > 2-chloro-2-methylpropane > 2-chloropropane  d. chloromethane > 2-chloro-2-methylpropane > 2-chloropropane > chloroethane

ANS:B

6.Which of the following has the list of compounds in the correct order of decreasing boiling point (higher boiling point > lower boiling point)?

a. 2-fluoropropane > 2-chloropropane > 2-bromopropane > 2-iodopropane  b. 2-chloropropane > 2-iodopropane > 2-fluoropropane > 2-bromopropane  c. 2-iodopropane > 2-chloropropane > 2-fluoropropane > 2-bromopropane  d. 2-iodopropane > 2-bromopropane > 2-chloropropane > 2-fluoropropane

ANS:D

7.Which of the following has the list of compounds in the correct order of decreasing density (higher density > lower density)?

a. CH2Cl2 > CH2Br2 > CH2I2  b. CH2Cl2 > CH2I2 > CH2Br2  c. CH2I2 > CH2Br2 > CH2Cl2  d. CH2I2 > CH2Cl2 > CH2Br2

ANS:C

8.Which of the following has the list of compounds in the correct order of decreasing polarity (more polar > less polar)?

a. CCl4 > CHCl3 > CH2Cl2  b. CH2Cl2 > CHCl3 > CCl4  c. CCl4 > CH2Cl2 > CHCl3  d. CHCl3 > CCl4 > CH2Cl2

ANS:B

9.Which of the following has the list of compounds in the correct order of decreasing molecular polar (more polar > less polar)?

a. CH3I > CH3Br > CH3Cl > CH3F  b. CH3F > CH3Cl > CH3Br > CH3I  c. CH3Cl > CH3F > CH3Br > CH3I  d. CH3Cl > CH3I > CH3F > CH3Cl

ANS:C

10.Which of the following bonds has the lowest bond dissociation enthalpy?

a. C