The statements that are incorrect about the nickel(II) complex of dimethylglyoxime are :A. It is red

Question

The statements that are incorrect about the nickel

(II) complex of dimethylglyoxime are :

A. It is red in colour

B. It has a high solubility in water at $pH = 9$

C. The Ni ion has two unpaired d-electrons

D. The $N - Ni - N$ bond angle is almost close to $90^{\circ}$

E. The complex contains four five-membered metallacycles (metal containing rings)

Choose the correct answer from the options given below:

Accepted Answer

In the above complex, Ni is present in +2 oxidation number.

A) It is rosy red ppt

B) It is precipitated in basic medium

C) ${Ni}^{+ 2}:3d^{8}$

Hybridisation : ${dsp}^{2}$

Unpaired $e^{-} = 0$

Geometry : Square planar

D) $N - Ni - N$ Bond angle is close to $90^{\circ}$

E) 2 five membered metal containing rings are formed.

Question