Question

The charge on cobalt in [Co(CN)₆ ] ³⁻ is
(a) – 6 (b) – 3
(c) + 3 (d) + 6

Answer 1

Explanation:

Here charge on cn is -1

let charge on co is x

Oxidation no. of co= x+6(-1)= -3

x= -3+6= 3

so oxidation no. of cobalt is +3

Answer 2

Answer:

charge of Co is +3

Explanation:

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