# volume of gases evolved when dil .H2SO4 is electrlysed using 2F at STP

1. Electrolysis of H2SO4 gives following two reactions :

2H+ + 2e- $\to$ H2
2H2$\to$ O2 + 2e​-  + 4H+

2. 2 mole of electrons give 1 mole of O2 and H2 each.
So,2F of electricity gives 2 moles of total gases.

3. Volume of 1 mole = 22.4 L
Volume of 2 moles = 44.8 L

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