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Chemistry
Copper sulphate solution reacts with KCN and gives:
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Q. Copper sulphate solution reacts with $KCN$ and gives:
Bihar CECE
Bihar CECE 2005
The d-and f-Block Elements
A
$K_{3}\left[C u(C N)_{4}\right]$
B
$ CuCN $
C
$ Cu{{(CN)}_{2}} $
D
$ {{K}_{2}}[Cu{{(CN)}_{4}}] $
Solution:
