question_answer

The structure of diborane \[({{B}_{2}}{{H}_{6}})\] contains [AIEEE 2005]

A) Four 2c-2e bonds and two 3c-2e bonds

B) Two 2c-2e bonds and four 3c-2e bonds

C) Two 2c-2e bonds and two 3c-3e bonds

D) Four 2c-2e bonds and four 3c-2e bonds

Correct Answer: A

Solution :

\[3c-2e:B-H-B\]; \[2c-2e:H-B-H\]