NH_(4)SCN can be used to makedistanctionbetween Cu^(2+) and Co^(2+). – InterviewSolution

1.	NH_(4)SCN can be used to makedistanctionbetween Cu^(2+) and Co^(2+).
Answer» Solution :`CaCI_(2) + 4NH_(2)SCN rarr underset(Blue colour)((NH_(4))_(2)[Co(SCN)_(4)]) + 2NH_(3)CI` `CuCI_(2) + 2NH_(4)SCN rarr underset(Black ppt)(CU(SCN)_(2) + 2NH_(4)CI`

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