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Exam 19: Radicals

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Question 21

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Primary radicals are less stable than tertiary radicals.

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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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Propose a mechanism for the following transformation.

In radical reactions,peroxides tend to act as _______________ .

What kind of polymerization reaction is shown below?

Radical chlorination is more regioselective than radical bromination.

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

Fishhook arrows are involved in _______________ cleavage.

Which of the following best describes a radical bromination reaction?

Predict the product of the following addition polymerization reaction.

What monomer subunit would form the addition polymer shown below?

Electrons solvated in ammonia have a characteristic blue colour.

Which of the following terms best describes radical bond breakage?

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

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

Adjacent electronegative atom with lone pair electrons help stabilize radicals.

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

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

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

Draw the mechanism of the following dissolving metal transformation.