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

$\begin {array} {1 1} (A)\;\text{All the bond angles$Cl - Al - Cl$and$ Al - Cl - Al $in$Al_2Cl_3$are identical} \\ (B)\;\text{All the bond lengths$Cl - Al $in$Al_2Cl_3$are identical} \\ (C)\;\text{All the bond lengths$Cl - Al $in$Al_2Cl_3$as well as all the bond angles$Cl - Al - Cl$and$ Al - Cl - Al $are different} \\ (D)\;\text{The bond lengths of terminal$Al - Cl$and bridged$Al - Cl $bonds are different and also outer bond angle$Cl - Al- Cl$and$Al - Cl - Al $have different values} \end {array}$

The structure of $Al_2Cl_6$ is
The bond lengths of terminal $Al - Cl$ and bridged $Al - Cl$ bonds are different and also outer bond angle $Cl - Al- Cl$ and $Al - Cl - Al$ have different values