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A solution contains \mathrm{Fe^{2+}\: and \: Zn^{2+}} ions. What can be done to separate them?

Option: 1

The mixture cannot be separated.


Option: 2

Dissolve in acid.


Option: 3

Dissolve in base.

 


Option: 4

Pass \mathrm{H_2S} Gas.


Answers (1)

best_answer

\mathrm{Zn^{2+}} deposits as \mathrm{ZnS} in the solution and \mathrm{FeS} remains dissolved in the solution.

Hence option 4 is correct.

 

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Gunjita

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