The correct statements is are :

Options

A. `BeCI_(2)` is a covalent compound
B. `BeCI_(2)` can form diner
C. `BeCI_(2)` is an electron deficient molecule
D. The hybrid state of Be in `BeCI_(2)` is `sp^(2)`

Answer

A, B, C

Explanation

Due to high polarising power Be can form covalent compounds such as `BeCI_(2)` B) `BeCI_(2)` can form dimer
C) `BeCI_(2)` is electron deficient