the correct IUPAC name of the following compound `[Cr(NH_3)_5(NCS)][ZnCl_4]` is

Options

A. colourless and diamagnetic
B. green coloured and diamagnetic
C. green coloured and shows coordination isomerism
D. diamagnetic and shows linkage isomerism

Answer

C

Explanation

Due to the cationic part of the complex, it is green, because there are three unpaired electrons in `t_(2g)` orbitals of `Cr^(3+)` cation, both cationic and anionic parts are complex ions, hence, coordination isomerism will be exhibited by it.