InterviewSolution
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InterviewSolution
| 1. |
Which of the following is/are connect process for the separation of given ions ?A. `Cu^(2+)` from the mixture of `Cu^(2+)`and `Cd^(2+)` in aqueous solution `Cu^(2+)+ Cd^(2+) overset("Add excess") underset(KCN) to overset("Pass"H_(2)S) underset("and filter") to Cu^(2+)` in the filtrateB. `Cu^(2+)` from the mixture of `Cu^(2+)`and `Cd^(2+)` in aqueous solution `Cu^(2+)+ Cd^(2+) overset("Add excess") underset(KCN) to overset("Pass" H_(2)S) underset("and filter") to Cu^(2+)` in the precipitateC. `Zn^(2+)` from the mixture of `Zn^(2+)`and `Cu^(2+)` in aqueous solution `Zn^(2+)+ Cu^(2+) overset(H_(2)S+dil HCI) to overset("Filter") to Zn^(2+)` in the precipitateD. `Fe^(3+)` from the mixture of `Fe^(2+)`and `Fe^(2+)` in aqueous solution `Fe^(2+)+ Fe^(3+) overset(NH_(4)CI +NH_(3))overset("solution and filter")rarr Fe^(2+)` in the precipitate |
| Answer» Correct Answer - a,b | |