question_answer

Which one of the following is incorrect?

A)  Boron halides are all monomeric while these of \[Al\] is dimeric

B)  Boron halides and aluminium halides exist as monomeric.

C)  Boron halides and aluminium halides are lewis acid

D)  \[{{B}_{2}}{{O}_{3}}\] alone is acidic while \[A{{l}_{2}}{{O}_{3}}\] is amphoteric

Correct Answer: B

Solution :

All the halides of boron are volatile highly reactive and monomeric while aluminium halides exist as dimeric molecules.