Delgado Community College CHEM 222 Chapter 10

Delgado Community College

CHEM 222

Chapter 10.Radical Reactions

Multiple Choice

Section: 10.1

1)Radicals are formed through                           .

1. 1. Heterolysis

1. 2. Homolysis

1. 3. Ozonolysis

Section: 10.1

2.            and               can be used to form radicals.

1. 1. Light and high temperatures

1. 2. Light and cool temperatures

1. 3. Dark and high temperatures

1. 4. Dark and cool temperatures.

Section: 10.2

3. What is the order of radical stability (from most stable to least stable)?

1. 1. methyl > primary > secondary > tertiary

1. 2. primary > secondary > tertiary > methyl

1. 3. tertiary > secondary > primary > methyl

1. 4. tertiary > primary > secondary > methyl

Section: 10.3

4. Radical halogenation reactions using                           are the most                   and often lead to multiple products. While radical halogenation reactions using                                                                  are the most             and produce primarily the major product.

1. 1. bromine, selective, chlorine, reactive

1. 2. bromine, reactive, chlorine, selective

1. 3. chlorine, selective, bromine, reactive

1. 4. chlorine, reactive, bromine, selective

Section: 10.6

5. Which of the following bonds would be most susceptible to radical formation?

1. 1. carbon carbon single bond

1. 2. oxygen oxygen single bond

1. 3. hydrogen hydrogen single bond

1. 4. oxygen hydrogen single bond

1. 5. carbon hydrogen single bond

Section: 10.7

6. What is the geometry of alkyl radicals?

1. 1. tetrahedral

1. 2. linear

1. 3. trigonal planar

1. 4. trigonal pyrimidal

Section: 10.8

7. Radical reactions produce a                        .

1. 1. racemic product

1. 2. product with inversion of configuration

1. 3. product with retention of configuration

1. 4. Markovnikov product

Section: 10.9

8. What is the product of the following reaction?

1. 1. I

1. 2. II

1. 3. III

1. 4. IV