Q.

When 9650 coulombs of electricity is passed through a solution of copper sulphate, the amount of copper deposited is 

(given at. wt. of Cu = 63.6)

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a

3.18g

b

0318g

c

63.6g

d

31.8g

answer is B.

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Detailed Solution

Cu+2+2eCu(s)

     2×96500C   63.6g

9650 C will deposit=63.62×96500×9650=3.18g

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When 9650 coulombs of electricity is passed through a solution of copper sulphate, the amount of copper deposited is (given at. wt. of Cu = 63.6)