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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

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Correct Answer - 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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