1.

Statement (S) : For chlorination of methane constant ultraviolet rays are required. Reason (R) : In termination step of reaction mechanism free radicals are attached.

Answer»

Both statement (S) and REASONS (R) are TRUE. And (R) GIVES complete explanation of (S).
Both statement (S) and Reasons (R) are true. But (R) does not gives complete explanation of (S).
Both statement (S) and Reason (R) are wrong
Statement (S) is wrong and reason (R) is right

Answer :A


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