Current efficiency is defined as the extent of a desired electrochemical reaction divided by the theoretical extent of the reaction times 100%. What is the current efficiency of an electrodeposition o

Question

Current efficiency is defined as the extent of a desired electrochemical reaction divided by the theoretical extent of the reaction times 100%. What is the current efficiency of an electrodeposition of Cu metal in which 9.8 g Cu is deposited by passage of 3A current for 10000 seconds.

(A) 0.9%
(B) 49.9%
(C) 99.1%
(D) 51.1%

Prashant Kotian · Accepted Answer

Correct answer:

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