3.14    How much electricity is required in coulomb for the oxidation of

             (i)  1 mol of   H_{2}O\ to\ O_{2} ?

Answers (1)

According to question the equation of oxidation will be :- 

                                                O^{2-}\ \rightarrow \ \frac{1}{2}O_2\ +\ 2e^-

Thus,      for oxidation of   O2- ,  2F charge is required.

                                               = 2\times96500\ C

                                               = 193000\ C

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