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Which of the following act as an initiator in free-radical polymerisation?

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in Engineering Chemistry I by (506k points)
Which of the following act as an initiator in free-radical polymerisation?

(a) Grignard reagent

(b) Lewis acids

(c) Benzoyl peroxide

(d) Potassium amide

This question was addressed to me in an internship interview.

The question is from Polymerization topic in chapter Polymers of Engineering Chemistry I

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Correct answer is (c) Benzoyl peroxide

The explanation is: Benzoyl peroxide act as an initiator in free-radical polymerisation. Benzoyl peroxide is used as an acne treatment, for bleaching flour, hair and teeth, for cross-linking polyester resins, and for many other purposes.

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