Which of following statements about anhydrous aluminium chloride is correct?

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p-Block Elements - I

normal

Which of the following statements about anhydrous aluminium chloride is correct?

A

It can exist as $AlCl_3$ molecule in vapour

B

It is a strong Lewis base

C

It sublimes at $180\,^oC$ under vacuum

D

Both $(A)$ and $(C)$

Solution

It exists as dimer in vapour.

It is a strong Lewis acid due to incomplete octet and because of that it can be easily hydrolyzed.

Standard 11

Chemistry

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