A) copper will precipitate out
B) iron will dissolve and precipitate out thereafter
C) iron and copper both will go into solution
D) no reaction will take place
Correct Answer: A
Solution :
\[Fe+CuS{{O}_{4}}\xrightarrow{{}}FeS{{O}_{4}}+Cu,\]\[Fe\]is above \[Cu\]in electrochemical series \[{{E}^{o}}\] of Fe is smaller than \[Cu\]. Therefore, \[Fe\] is more reactive\[Cu\]. Hence, Fe displaces \[Cu\] from the aqueous solution of\[CuS{{O}_{4}}\].
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