Question

Which of the following diborane $\left(B_2{H}_6\right)$ structure contains:

• A. Four $2c-2e^{-}$ bonds and four $3c-2e^{-}$ bonds
• B. Two $2c-2e^{-}$ bonds and two $3c-3e^{-}$ bond
• C. Two $2c-2e^{-}$ bonds and four $3c-2e^{-}$ bonds
• D. Four $2c-2e^{-}$ bonds and two $3c-2e^{-}$ bond

Answer 1

The correct option is D Four $2c-2e^{-}$ bonds and two $3c-2e^{-}$ bond

In diborane $\left(B_2{H}_6\right)$ structure there are four $2c-2e^{-}$ bonds and two $3c-2e^{-}$ bonds and two $3c-2e^{-}$ bonds as shown below.
Structure of $B_2{H}_6$