Question
How does a metal react with salts of other metals?
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Answer
The reaction of metals with solutions of salts of other metals is the displacement reaction. If a metal A displaces other metal B from the solution of its salt, it means that the metal $A$ is more reactive than the metal $B$.
Metal $A+$ Salt solution of metal $B \rightarrow$ Salt solution of metal $A+$ metal $B$
$Fe + CuSO _4 \longrightarrow FeSO _4+ Cu \quad$
Iron Copper sulphate copper
In this reaction Fe has displaced $Cu$ from $CuSO _4$. It means $Fe$ is more reactive than $Cu$.
Metal $A+$ Salt solution of metal $B \rightarrow$ Salt solution of metal $A+$ metal $B$
$Fe + CuSO _4 \longrightarrow FeSO _4+ Cu \quad$
Iron Copper sulphate copper
In this reaction Fe has displaced $Cu$ from $CuSO _4$. It means $Fe$ is more reactive than $Cu$.
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