Redox Reactions And Electrochemistry Ques 273
Question: On passing 3 ampere of electricity for 50 minutes, 1.8 gram metal deposits. The equivalent mass of metal is [MP PMT 1992]
Options:
A) 20.5
B) 25.8
C) 19.3
D) 30.7
Show Answer
Answer:
Correct Answer: C
Solution:
$ {W_{metal}}=\frac{E\times I\times t}{96500}=\frac{E\times 3\times 50\times 60}{96500} $ $ E=\frac{96500\times w}{3\times 50\times 60}=\frac{96500\times 1.8}{3\times 50\times 60}=19.3 $ .
