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CuSO(4) solution reacts with excess of K...

`CuSO_(4)` solution reacts with excess of KCN solution to form:-

A

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

B

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

C

`Cu(CN)_(2)`

D

`Cu_(2)(CN)_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B

`2CuSO_(4)+10KCNrarr2K_(3)[Cu(CN)_(4)]+(CN)_(2)+2K_(2)SO_(4)`
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NARAYNA-CHEMISTRY OF HEAVY METALS-SINGle Answer Questions(LEVEL-II)
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