Chemistry
From the ions –
(i) SO42– and OH1–
(ii) Cu2+ and H1+
(iii) Ag1+ and H1+
state giving reasons which ion is discharged at the respective electrode in each case.
Electrolysis
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Answer
(i) OH1- ions are discharged since they are lower in electrochemical series.
(ii) Cu2+ ions are discharged in preference to H1+, as Cu is lower in the electro chemical series than H
(iii) Ag1+ will be discharged because Ag is lower in the electro chemical series than H.
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