The INCORRECT statement is :

Options

A. The gemstone, ruby, has `Cr^(3+)` ions occupying the octahedral sites of beryl
B. The spin-only, magnetic moments of `[Fe(H_2O)_6]^(2+)` and `[Cr(H_2O)_6]^(2+)` are nearly similar
C. The colour of`[CoCl(NH_3)_5]^(2+)` is violet as it absorbs the yellow light
D. The spin-only magnetic moment of `[Ni(NH_3)_4 (H_2O)_2]^(2+)` is 2.83 BM

Answer

A

Explanation

The gemstone, emerald, has `Cr^(3+)` ions occupying the octahedral sites of beryl.