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Copper sulphate solution reacts with KCN...

Copper sulphate solution reacts with `KCN` to give
(a) `Cu(CN)_(2)`
(b) `CuCN`
(c ) `K_(2)[Cu(CN)_(4)]`
(d) `K_(3)[Cu(CN)_(4)]` .

Text Solution

Verified by Experts

The correct Answer is:
c
`CuSO_(4)+4KCNrarrK_(2)[Cu(CN)_(4)]+K_(2)SO_(4)`
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