Exam 10: Radical Reactions

Which term best describes the process shown below?

One possible product of thermal cracking of hexane is 1-butene. Draw arrows to suggest a possible mechanism for this process starting from an alkyl radical.

Determine the repeat unit for the polymer produced in the following reaction.

Identify an example of termination.

Draw the major product(s) of the following reaction. Is the product optically active? Explain.

Which of the following is the most stable radical?

Draw the product of coupling of the following radicals.

Which of the following are possible product(s) of the reaction shown?

Upon treatment with NBS and irradiation with UV light, 2-isopropyl-3-methyl-1-butene reacts to produce exactly two monobrominated compounds. Draw the products of this reaction.

Propose a synthesis of 1-iodo-2-methylpropane from 2-methylpropene.

Propose a sequence of reactions to accomplish the following synthesis.

Which of the following compounds would be expected to be least destructive to the ozone layer?

Give the arrows to show the mechanism of the following radical process.

Predict the major product(s) of the reaction shown below.

Which of the following are major products of the reaction shown?

Predict the product(s) of the following reaction.

Which term most accurately describes the process shown below?

Free radical chlorination of ethane can produce higher halogenation products such as dichloroethane, trichloroethane, tetrachloroethane, pentachloroethane, and hexachloroethane. How could the production of higher halogenated products be minimized?

Upon treatment with NBS and irradiation with UV light, 1-ethyl-4-methylbenzene produces exactly three monobrominated compounds (including stereoisomers). Draw the products of this reaction.

Give the arrows to show the mechanism of the following radical process.