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CHEMISTRY

JAMB 2008 - Question 24

Chemistry 2008 JAMB Past Questions - Question 24: in recharging a lead-acid accumulator, the reaction at the cathode can be represented as

Choose the correct answers from the options given.

in recharging a lead-acid accumulator, the reaction at the cathode can be represented as

A: Pb²+(aq) + SO²-4(aq) →PbSO₄(s)

B: Pb²+(aq) + 2e- →Pb(s)

C: Pb²+(aq) + 2H₂O(l) → PbO₂(s) + 4H+(aq) + 4e-

D: Pb(s) → Pb²+(aq) + 2e-

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Correct Answer

Explanation

Pb₂+ (aq) + 2e --------------- pb(s)