A) one mole of oxygen
B) one g atom of oxygen
C) 8 g of oxygen
D) 22.4 L of oxygen
Correct Answer: C
Solution :
Hydrolysis of water can be represented by the following equations \[2{{H}_{2}}O\rightleftharpoons {{O}_{2}}+4{{H}^{+}}+4{{e}^{-}}\] \[\because \] 4 F of charge liberate \[{{O}_{2}}=32g\] \[\therefore \] 1 F of charge liberate \[{{O}_{2}}=\frac{32}{4}\] \[=8g\]
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