Redox Reactions And Electrochemistry Question 105
Question: In an electroplating experiment $ m $ g 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 $ .
BETA
