`AlCl_(3)` is an electron deficient compound but `AlF_(3)` is due to

Options

A. Atomic size of F is smaller than Cl, which makes `AlF_(3)` more covalent
B. `AlCl_(3)` is a covalent compound while `AlF_(3)` is an ionic
C. Al in `AlCl_(3)` is `sp^(3)` hybridised but in `AlF_(3), Al` is `sp^(2)` hybridised
D. `AlCl_(3)` is exists in dimer but `AlF_(3)` does not

Answer

A, C, D

Explanation

`AlF_(3)` is not electron defecient due to it is the ionic compound.