Chemistry
Select the ion in each case that would get selectively discharged from the aqueous mixture of the ions listed below:
(a) SO42-, NO3-, and OH-
(b) Pb2+, Ag+, and Cu2+
Electrolysis
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Answer
(a) OH-, Lower the position of the anion in the series, more easily it gets discharged at anode.
(b) Ag+, Elements lower in the series gets discharged more easily at the cathode during electrolysis because their cations can easily gain electrons.
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