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Question

A dilute aqueous solution of sodium fluoride is electrolyzed, the products at the anode and cathode are:

A
O2,H2
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B
F2,Na
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C
O2,Na
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D
F2,H2
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Solution

The correct option is A O2,H2
Ion with higher potential will go to corresponding electrode and discharge.
So,
NaF:
Cathode : 2H+2eH2
Anode : 4OHO2+2H2O+4e

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