Coordination Compounds Part 4

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 :