Select the correct answer from the list in brackets:1. An aqueous elec

1.	Select the correct answer from the list in brackets:1. An aqueous electrolyte consists of the ions. mentioned in the list, the ion which could be discharged most readily during electrolysis.[Fe2+ , Cu2+ , Pb2+ , H+].2. The metallic electrode which does not take part in an electrolytic reaction.[Cu, Ag, Pt, Ni].3. The ion which is discharged at the anode during the electrolysis of copper sulphate solutions using copper electrodes as anode and cathode.[Cu2+ , OH– , SO42- -, H+].4. When dilute sodium chloride is electrolysed using graphite electrodes, the cation is discharged at the cathode most readily.[Na+ , OH– , H+ , Cl–].5. During silver plating of an article using potassium argentocyanide as an electrolyte, the anode material should be [Cu, Ag, Pt, Fe].
Answer» (1) Cu²⁺ (2) Pt (3) Cu²⁺ (4) H¹⁺ (5) Ag

Select the correct answer from the list in brackets:1. An aqueous electrolyte consists of the ions. mentioned in the list, the ion which could be discharged most readily during electrolysis.[Fe2+ , Cu2+ , Pb2+ , H+].2. The metallic electrode which does not take part in an electrolytic reaction.[Cu, Ag, Pt, Ni].3. The ion which is discharged at the anode during the electrolysis of copper sulphate solutions using copper electrodes as anode and cathode.[Cu2+ , OH– , SO42- -, H+].4. When dilute sodium chloride is electrolysed using graphite electrodes, the cation is discharged at the cathode most readily.[Na+ , OH– , H+ , Cl–].5. During silver plating of an article using potassium argentocyanide as an electrolyte, the anode material should be [Cu, Ag, Pt, Fe].

Answer»

(1) Cu²⁺

(2) Pt

(3) Cu²⁺

(4) H¹⁺

(5) Ag

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