Which one of the following does not follow EAN rule?

CHEMISTRY · Single correct · CBSE · Chemistry · Coordination Compounds · Coordination Compounds

Problem

Which one of the following does not follow EAN rule? (1)

\text{Fe}(\text{CO})_5

(2)

\text{V}(\text{CO})_6

(3)

\text{K}_4[\text{Fe}(\text{CN})_6]

(4)

\text{Mn}_2(\text{CO})_{10}