Regarding free radical polymerization, correct statements are
A) ${({CH}_{3} CO)}_{2} O_{2}$ is the chain initiator (catalyst)
B) $C_{6} H_{5} + {CH}_{2} = {CH}_{2} \to C_{6} H_{5} - {CH}_{2} - {CH}_{2}$ is the chain initiating step
C) $2 C_{6} H_{5} {[{CH}_{2} - {CH}_{2}]}_{n} {CH}_{2} - {CH}_{2} \to C_{6} H_{5} {[{CH}_{2} - {CH}_{2}]}_{n} {CH}_{2} - {CH}_{2} - {CH}_{2} - {CH}_{2} {[{CH}_{2} - {CH}_{2}]}_{n} C_{6} H_{5}$ is thee chain propagation step.

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A, B only

A, B, C

B, C only

A, C only

answer is A.

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Detailed Solution

C) $2 C_{6} H_{5} {[{CH}_{2} - {CH}_{2}]}_{n} {CH}_{2} - {CH}_{2} \to C_{6} H_{5} {[{CH}_{2} - {CH}_{2}]}_{n} {CH}_{2} - {CH}_{2} - {CH}_{2} - {CH}_{2} {[{CH}_{2} - {CH}_{2}]}_{n} C_{6} H_{5}$ is the chain terminating step.

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