Explain why? i. Reaction of FeSO_4+Cu CuSO_4(aq)+Fe does not occu… - Vidyadip

Question

Explain why?
i. Reaction of $\mathrm{FeSO}_4+\mathrm{Cu} \longrightarrow \mathrm{CuSO}_4(\mathrm{aq})+\mathrm{Fe}$ does not occur.
a. Zinc can displace Cu from aqueous $\mathrm{CuSO}_4$ solution but Ag cannot.
b. Solution of $\mathrm{AgNO}_3$ turns blue when Cu rod dipped in it.

✓

Answer

i. It is because 'Cu' is less reactive than Fe , so cannot displace Fe from $\mathrm{FeSO}_4$ solution.
a. Zinc is more reactive than Cu but Ag is less reactive than Cu .
b. because Cu is more reactive than $\left.\mathrm{Ag} ._2\right)_3$ It is due to formation of $\mathrm{Cu}\left(\mathrm{NO}_3\right)_2$ because Cu is more reactive than $\mathrm{Ag}$.
$\mathrm{Cu}(\mathrm{s})+\mathrm{AgNO}_3(\mathrm{aq}) \longrightarrow \mathrm{Cu}\left(\mathrm{NO}_3\right)_2(\mathrm{aq})+2 \mathrm{Ag}(\mathrm{s})$

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