alleryWhich change replenishes Ni2+ at the nickel anode?
ANi → Ni2+ + 2e−
BNi2+ + 2e− → Ni
C2H2O → O2 + 4H+ + 4e−
D2Cl− → Cl2 + 2e−
Answer & Solution
Correct answer: A. Ni → Ni2+ + 2e−
Nickel atoms lose electrons at the anode and enter the bath as Ni2+.
Keep practising Electrolysis
Browse all Electrolysis questions for ICSE Class 10, or explore more Chemistry topics.
Related questions
Match each ion with its preferential discharge order at electrodes:Match each electrochemical electroplating rule with its requirement:Match each industrial electrolytic extraction with its electrolyte and components:Match each electrolytic cell term with its definition:Cu electrodes transfer Cu/Cu2+ only. Mass changes?Aqueous CuSO4 uses Pt electrodes. How does its acidity change?With Pt electrodes, how does aqueous CuSO4's blue colour change?A plating cell has an inert anode. What needs replenishing?