Assertion (A): Addition of bromine on trans-2-butene gives meso-2, 3-dibromo butane.
Reason (R): Br2 adds on alkene via the formation of carbocation as an intermediate.
(A) If both Assertion and reason are true and Reason is a correct explanation of Assertion.
(B) If both assertion and Reason are true but Reason is not a correct explanation of Assertion.
(C) If Assertion is true but Reason is false.
(D) If Assertion is false but reason is true.