A) Al
B) Cu
C) Zn
D) Fe
Correct Answer: A
Solution :
Key Idea: The element occupying higher position in electrochemical series, displaces the metals present below it from their salts. \[\because \]Among \[\text{Cu,}\,\text{Al,}\,\text{Fe,}\]and Zn, Al occupies highest position in electrochemical series. \[\therefore \] Al displaces Cu, Fe and Zn from their salts.You need to login to perform this action.
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