Is a complex ion with nickel in the +2 oxidation state

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

Problem

[Ni(NH3)6]x[\text{Ni}(\text{NH}_3)_6]^x is a complex ion with nickel in the +2 oxidation state. What is the overall charge, xx, of the complex? (1) 0 (2) 1+ (3) 2+ (4) 3+

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