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When KCN is added to CuSO4 solution...

When KCN is added to `CuSO_4` solution

A

KCN acts as reducing agent

B

KCN acts as complexing agent

C

`K_3[Cu(CN)_4]` is formed

D

All are correct

Text Solution

Verified by Experts

The correct Answer is:
D
`2CuSO_(4) + 10 KCN rarr 2K_3[Cu(CN)_4] + 2K_2SO_4 + (CN)_2`
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