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Cathode Ray Experiment

A current of ...

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A current of 4 ampere was passed for 1.5 hours through a solution of copper sulphate when 3.2g of copper was deposited.calculate the current effeciency.

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w g

of copper is deposited in a copper voltameter when an electric current of

2

ampere is passed for

2

hours. If one ampere of electric current is passed for

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hours in the same voltameter, copper deposited will be:

C u

was deposited on passage of a current of 0.5 ampere for 30 minutes through a solution of copper sulphate. What is the electrochemical equivalent of copper?

Q. A current of 0.1A was passed for 4hr through a solution of cuprocyanide and 0.3745 g of copper was deposited on the cathode. Calculate the current efficiency for the copper deposition:

Q. In a copper voltmeter containing copper sulphate solution, a current of

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= 63.5

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