Which of the following statements are false regarding `BeCl_(2)`

Options

A. In solid state, `BeCl_(2)` exits in the form of linear structure
B. In vapour state it exits as a trimer with bridged structure
C. Below `1200K` it has cyclic structure
D. Invapour state is exits as a solid with bridged structure

Answer

A, B, C

Explanation

In solid state `BeCl_(2)` has a polymeric structure `BeCl_(2)` exists as a dimer in vapour state It exists as a monomer at `1200K`