[" A current of "2" A was passed for "1"...

[" A current of "2" A was passed for "1" hr through "],[" a solution of "CuSO_(4).0.237g" of "Cu^(2+)" ions "],[" were discharged at cathode.The current effi- "],[" ciency is : "],[[" (1) "42.2%," (2) "26.1%],[" (3) "10%," (4) "40.01%]]

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A current of 2 A was passed for 1 h through a solution of CuSO_4. 0.237g of Cu^(2+) ions was discharged at cathode . The current efficiency is .

A current of 2A was passed for 1.5 hours through a solution of CuSO_(4) when 1.6g of copper was deposited. Calculate percentage current efficiency.

A current of 2.68 A is passed for 1.0 hour through an aqueous solution of CuSO_(4) using copper electrodes. Which of the following statements is // are correct ?

[" A current of "2" A was passed for "1" hr through "],[" a solution of "CuSO_(4).0.237g" of "Cu^(2+)" ions "],[" were discharged at cathode.The current effi- "],[" ciency is : "],[[" (1) "42.2%," (2) "26.1%],[" (3) "10%," (4) "40.01%]]

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