The weight of silver (at.wt. = 108 ) displaced by a quantity of electricity which displaces 5600 m L of O 2…

The weight of silver (at.wt. =108) displaced by a quantity of electricity which displaces 5600 mL of O2 at STP will be
  1. 5.4 g
  2. 10.8 g
  3. 54.0 g
  4. 108.0 g

Solution

nO2=560022400=14
WAg108×1=WO2MO2×42H2OO2+4H++4e-
WAg108=14×4
WAg=108 g

Asked in: NEET 2014

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