Chemistry Question from JEE Main 2026 · 23 January, Shift 1

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 :