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Exam 19: Radicals

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Question 21

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What monomer subunit would form the addition polymer shown below?

A)
B)
C)
D)

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Question 22

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The three phases of a radical chain reaction are initiation,_______________ ,and termination.

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Question 23

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In radical additions of HBr with alkenes,peroxides act as a radical initiator

Electrons solvated in ammonia have a characteristic blue colour.

What kind of polymerization reaction is shown below?

Which of the following reagents would achieve the transformation shown below?

_______________ cleavage represents a bond-breaking reaction where both electrons migrate to one atom.

What is the role of ammonia in the mechanism of the Birch reduction shown below?

Radical chlorination is more regioselective than radical bromination.

Draw the mechanism of the following dissolving metal transformation.

Primary radicals are less stable than tertiary radicals.

Adjacent electronegative atom with lone pair electrons help stabilize radicals.

Which of the following terms best describes radical bond breakage?

In radical reactions,peroxides tend to act as _______________ .

Secondary alkyl halides are formed preferentially over primary alkyl halides in radical halogenations.

Which of the following best describes a radical bromination reaction?

Predict the product of the following addition polymerization reaction.

Fishhook arrows are involved in _______________ cleavage.

Electrons are solvated in aqueous solutions for their use in metal reduction reactions.

Propose a mechanism for the following transformation.