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Medical
274 Views   |

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

• Option 1)

5.4 g

• Option 2)

10.8 g

• Option 3)

54.9 g

• Option 4)

108.0 g

Second law of electrolysis - The masses of different substances, liberated or dissolved by the electricity are proportional to their equivalent masses. -     According to faraday secornd law =  => Option 1) 5.4 g incorrect Option 2) 10.8 g incorrect Option 3) 54.9 g incorrect Option 4) 108.0 g correct
Medical
87 Views   |

When 0.1 mol is oxidised the quantity of electricity required to completely oxidise to is :

• Option 1)

96500 C

• Option 2)

2 96500 C

• Option 3)

9650 C

• Option 4)

96.50 C

The oxidation reaction is  +6                           +7             0.1mol 0.1mol 0.1 mol  produces 0.1 mol of charge. Option 1) 96500 C This solution is incorrect  Option 2) 2 96500 C This solution is incorrect  Option 3) 9650 C This solution is correct  Option 4) 96.50 C This solution is incorrect
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