Q. Incorrect statement about $A lC l_{3}$ is

1509 207 The p-Block Elements Report Error

A

it achieves stability by forming a dimer

B

in acidified aqueous solution it forms octahedral $[A l (H_{2} O)_{6}]^{3 +}$ ion

C

in complex with acidified water $3 d$ orbital is used

D

hybridization involved in complex with acidified water is $s p^{3}$

Solution:

Hybridisation is $s p^{3} d^{2}$ .