MHT CET Chemistry question

Chemistry Electrochemistry MHT CET

When rusting starts

(A) ions pass into solution at cathodic area
(B)H ions reduced to H gas at anodic area
(C)Oxygen in presence of H ions reduces to water at cathodic areaCorrect
(D)Oxygen in presence of H ions reduces to water at anodic area

Answer: (C)

Solution

At the cathodic area O + 4H + 4 2HO, while Fe is oxidised to Fe at the

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Question ID VK-066442