Assertion: Trans-2-butene on reaction with Br 2 gives meso-2,3-dibromobutane. Reason: The reaction involves syn-addition of bromine.

Question

Assertion: Trans-2-butene on reaction with Br 2 gives meso-2,3-dibromobutane. Reason: The reaction involves syn-addition of bromine. (A) If both assertion and reason are true and the reason is the correct explanation of the assertion (B) If both assertion and reason are true and the reason is not the correct explanation of the assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

With trans-2-butene, the product of Br2 addition is optically inactive due to the formation of symmetric meso compounds.

Q. Assertion : Trans-2-butene on reaction with $B r_{2}$ gives meso-2,3-dibromobutane.
Reason : The reaction involves $sy n - a dd i t i o n$ of bromine.

If both assertion and reason are true and the reason is the correct explanation of the assertion

If both assertion and reason are true and the reason is not the correct explanation of the assertion

If assertion is true but reason is false

If both assertion and reason are false

With trans- $2$ -butene, the product of $B r_{2}$ addition is optically inactive due to the formation of symmetric meso compounds.

Q. Assertion : Trans-2-butene on reaction with Br2​ gives meso-2,3-dibromobutane. Reason : The reaction involves syn−addition of bromine.