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Read the following passage and answer the questions that follow :
One student was comparing the reactivity of different metals for his science project. He added iron filings in four test tubes A, B, C and D containing aqueous solutions of $\ce{ZnSO4}$, $\ce{CuSO4}$, $\ce{FeSO4}$ and $\ce{Al2(SO4)3}$.
(i) In which of the test tubes will he observe the reaction to be the most vigorous and why ?
(ii) Write a balanced equation for the reaction involved.
One student was comparing the reactivity of different metals for his science project. He added iron filings in four test tubes A, B, C and D containing aqueous solutions of $\ce{ZnSO4}$, $\ce{CuSO4}$, $\ce{FeSO4}$ and $\ce{Al2(SO4)3}$.
(i) In which of the test tubes will he observe the reaction to be the most vigorous and why ?
(ii) Write a balanced equation for the reaction involved.
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(i)
Test tube B
Iron is more reactive than copper, so iron can displace copper from copper sulphate solution.
(ii) $\ce{Fe(s) + CuSO4 (aq)->FeSO4 (aq)+Cu(s)}$
Test tube B
Iron is more reactive than copper, so iron can displace copper from copper sulphate solution.
(ii) $\ce{Fe(s) + CuSO4 (aq)->FeSO4 (aq)+Cu(s)}$