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°
E. The complex contains four five-membered metallacycles (metal containing rings)
Choose the correct answer from the options given below :