Select the ion in each case, that would get selectively discharged from the aqueous mixture of the ions listed below:

(i) SO₄^2-, NO₃^- and OH^- ;

(ii) Pb²⁺, Ag⁺ and Cu²⁺.

Question

Select the ion in each case, that would get selectively discharged from the aqueous mixture of the ions listed below: (i) SO 4 2- , NO 3 - and OH - ; (ii) Pb 2+ , Ag + and Cu 2+ .

Accepted Answer

(i) OH - ion will get discharged in preference to SO 4 2- or NO 3 - ions. (ii) Ag + ions will get discharged in preference to Pb 2+ or Cu 2+ ions.

Select the ion in each case, that would get selectively discharged from the aqueous mixture of the ions listed below:

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