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CuSO(4)(aq)overset(KCN)rarrMdarroverset(...

`CuSO_(4)(aq)overset(KCN)rarrMdarroverset("Excess of KCN")rarrN+O`
Then final product N and O are respectively.

A

`[Cu(CN)_(4)]^(3-), (CN)_(2)`

B

`CuCN,(CN)_(2)`

C

`[Cu(CN)_(4)]^(2-), (CN)_(2)`

D

`Cu(CN)_(2), K_(2)S`

Text Solution

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The correct Answer is:
A
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