Redox Reactions And Electrochemistry Ques 272

Question: In an electroplating experiment $ mg $ of silver is deposited, when 4 amperes of current flows for 2 minutes. The amount (in $ gms $ ) of silver deposited by 6 amperes of current flowing for 40 seconds will be [MNR 1991]

Options:

A) $ 4m $

B) $ m/2 $

C) $ m/4 $

D) $ 2m $

Show Answer

Answer:

Correct Answer: B

Solution:

$ m=Z\times 4\times 120 $ ; $ M=Z\times 6\times 40 $ $ \frac{M}{m}=\frac{6\times 40}{4\times 120}=\frac{1}{2};,M=m/2 $ .



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