AIPMT | 2014ElectrochemistryHard

Question

The weight of silver (at. wt. = 108) displaced by a quantity of electricity which displaces 5600 mL of O2 at STP will be

Options

A.5.4 g
B.10.8 g
C.54.0 g
D.108.0 g

Solution

WO2 = × 32 = 8 g = 1 equivalents
        = 1 equivalent of Ag
        = 108 g

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