Question

Assertion (A): The decreasing Lewis acid character of boron halides is BF₃>BCl₃>BBr₃ 

Reason (R): Back donation of electrons by F to Boron atom is maximum in BF₃.

(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.

Answer 1

Correct option (D) If Assertion is false but reason is true.

Explanation:

Lewis’s Acid strength is BBr₃ > BCl₃ > BF.