The compound in which nickel has the lowest oxidation state is :

CHEMISTRY · Single correct · A Level · Chemistry · Transition metals and their chemistry · Transition metals and their chemistry

Problem

The compound in which nickel has the lowest oxidation state is : (1)

\text{Ni}(\text{CO})_4

(2)

(\text{CH}_3\text{COO})_2\text{Ni}

(3)

\text{NiO}

(4)

\text{NiCl}_2(\text{PPh}_3)_2