An electric current is passed through two electrolytic cells connected in series, one containing
AgNO3(aq) and other
H2SO4(aq). The volume of
O2 (in litres) measured at
25oC and 750 mm Hg would be liberated in litre from
H2SO4, if 1 mole of
Ag+ are deposited from
AgNO3.
(Round off to integer)