Redox Reactions And Electrochemistry Ques 268
Question: A certain current liberated 0.504 gm of hydrogen in 2 hours. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution [NCERT 1973, 77; CPMT 1979, 89; AIIMS 1998]
Options:
A) 12.7 gm
B) 15.9 gm
C) 31.8 gm
D) 63.5 gm
Show Answer
Answer:
Correct Answer: B
Solution:
$ \frac{WeightofCu}{WeightofH_2}=\frac{Eq\text{.}weightof,Cu}{Eq\text{.}weight\text{.}ofH} $ $ \frac{WeightofCu}{0.50}=\frac{63.6/2}{1} $ $ WeightofCu=15.9 $ gm.
