Q. 144.1( 26 Votes )

How much electric

Answer :

(i)The electrode reaction for 1 mole of H2O is given as,


H2O H2 + O2


i.e., O2 - O2 + 2e -


The quantity of electricity required = 2F


= 2×96487 C


= 192974 C


The quantity of electricity required in coulomb for the oxidation of 1 mol of H2O to O2 is 192974 C


(ii) The electrode reaction for 1 mole of FeO is


FeO + O2 Fe2O3


i.e., Fe2 + Fe3 + + e -


The quantity of electricity required = 1F


= 1×96487 C


= 96487 C


The quantity of electricity required in coulomb for the oxidation of 1 mol of FeO to Fe2O3 is 96487 C


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