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in Chemistry by (24.8k points)
`CuSO_(4)` decolourises on addition of `KCN`, the product is
A. `[Cu(CN)_(4)]^(2-)`
B. `Cu^(2+)` get reduced to form `[Cu(CN)_(4)]^(3-)`
C. `Cu(CN)_(2)`
D. `CuCN`

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1 Answer

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by (24.7k points)
Correct Answer - B

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