Which of the following statements regarding the structure of aluminium chloride is correct?

Options

A. All the bond angles `Cl - Al - Cl` and `Al - Cl - Al` in `Al_2Cl_3` are identical
B. All the bond lengths `Cl - Al` in `Al_2Cl_3` are identical
C. All the bond lengths Cl - Al as well as all the bond angles Cl - Al - Cl and Al - Cl - Al are different
D. The bond lengths of terminal Al - Cl and bridged Al - Cl bonds are different and also outer bond angle Cl - Al - Cl and bridged bond angles Cl - Al - Cl and Al - Cl - Al have different values

Answer

D

Explanation

The structure of `Al_2Cl_6` is