Assertion: 1-butene on reaction with HBr in the presence of a peroxide produces 1-bromobutane. Reason: It involve the formation of primary radical (A)Both assertion and reason is correct and reason is the correct explanation of the assertion (B) Both assertion and reason are correct, but reason is not the correct explanation of assertion (C) Assertion is correct, but reason is incorrect. (D) Assertion is incorrect, but reason is correct