Optical isomerism is exhibited by

Options

A. `[Cr(NH_(3))_(5)Br]^(3+)`
B. `[Cr(en)(H_(2)O)_(4)]^(3+)`
C. trans `-[Cr(en)_(2)CI_(2)]^(2+)`
D. `[Cr(en)_(3)]^(3+)`

Explanation

(d) Optical isomerism is exhibited by `[Cr(En)_(3)]^(3+)`