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Out of Cu^(2+),Ni^(2+),Co^(2+) and Mn^(2...

Out of `Cu^(2+),Ni^(2+),Co^(2+)` and `Mn^(2+)` those dissolved in dil. HCL only one gives a precipitate when` H_(2)S` is passed. Identify the corresponding one.

A

`Ni^(2+)`

B

`Cu^(2+)`

C

`Co^(2+)`

D

`Mn^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
B
Dil. HCl and `H_(2)S` are group- II reagents . `Cu^(2+)` is a group - II ion (in qualitated analysis).
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