A) \[Cu\]
B) \[Mg\]
C) \[Na\]
D) \[Al\]
Correct Answer: A
Solution :
Copper does not replace hydrogen from \[HCl\] because in electrochemical series, it is present below hydrogen. Al, Na and Mg are present above hydrogen in electrochemical series, so they replace hydrogen.
You need to login to perform this action.
You will be redirected in
3 sec
