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An electric current is passed through si...

An electric current is passed through silver nitrate solution using silver electrodes. 15.28 g of silver was found to be deposited on catode. What will be the weight of copper deposited on cathode if same amount of electricity is passed through copper sulphate solution using copper electrodes?

A

6.4g

B

2.3g

C

12.8g

D

3.2g

Text Solution

Verified by Experts

The correct Answer is:
D
`("Wt of Ag")/("Wt. of Cu")=("Eq. wt of Ag")/("Eq. wt. of Cu")`
`(10.79)/(m(Cu))-(107.9)/(63.5//2)`
(at mass of Cu=63.5, At, mass of Ag=107.0)
`m(Cu)=(10.79)/(107.9)-(63.5)/(2)=3.175g`
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