1.

The colourless solution formed in step B contains

Answer»

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

SOLUTION : d) colour LESS solution DUE to `[Cu(CN)_(4)]^(3-)`


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