Redox Reactions And Electrochemistry Ques 148
Question: If an iron rod is dipped in $ CuSO_4 $ solution [MADT Bihar 1984]
Options:
A) Blue colour of the solution turns green
B) Brown layer is deposited on iron rod
C) No change occurs in the colour of the solution
D) Blue colour of the solution vanishes
E) None of the above
Show Answer
Answer:
Correct Answer: B
Solution:
Brown layer is deposited on iron rod because Cu has greater than reduction potential than that of $ F{e^{2+}} $ .