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Durinh electrlysis of an aqueous solutio...

Durinh electrlysis of an aqueous solution of `CuSO_(4)` using copper electrodes, if `2.5g` of `Cu` is deposited at cathode, tehn at anode

A

890 mL of `O_(2)` at STP is liberated

B

445 mL of `O_(2)` at STP is liberated

C

445 mL of `O_(2)` at STP is liberated

D

2.5 g of copper is deposited

Text Solution

Verified by Experts

The correct Answer is:
D
Copper electrodes are reactive electrodes.
`implies` At anode: `CutoCu^(2+)+2e^(-)`
At cathode: `Cu^(2+)+2e^(-)toCu`
So, mass of Cu deposited on cathode `=` mass of Cu decreased at anode.
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