Question

Where does the following reaction occur?

O₂ + 4H⁺ + 4e⁻ → 2H₂O

a.

Pt cathode

b.

Pt anode

c.

Ag anode

d.

Ag cathode

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Answer: (a).Pt cathode

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Q. Where does the following reaction occur? O₂ + 4H⁺ + 4e⁻ → 2H₂O

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