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Reactivity Series

The metal whi...

Question

The metal which can be used to obtain metallic $C u$ from aqueous $C u S O_{4}$ solution is:

N a

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A g

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H g

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F e

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Solution

The correct option is D $F e$
The metal which can be used to obtain metallic $C u$ from aqueous $C u S O_{4}$ solution is $F e$ .
Iron displaces copper from the $C u S O_{4}$ solution.
$F e_{(s)} + C u_{(a q)}^{2 +} \to C u_{(s)} + F e_{(a q)}^{2 +}$

Suggest Corrections

Similar questions

C u {S O}_{4}

E_{{C u}^{2 +} / C u}^{o} = 0.34 V

E_{{F e / F e}^{2 +}}^{o} = 0.44 V, E_{{A l / A l}^{3 +}}^{o} = 1.66 V

E_{N i / {N i}^{2 +}}^{o} = 0.25 V, E_{{A g}^{+} / A g}^{o} = 0.80 V

L i

K

C a

N a

M g

A l

Z n

F e

P b

C u

H g

A g

C u, A g, F e

Z n

C u (N O_{3})_{2}, A g N O_{3}, H g_{2} (N O_{3})_{2}

M g (N O_{3})_{2}

A g / A g^{+} = + 0.80, 2 H g / H g_{2}^{2 +} = + 0.79, C u / C u^{2 +} = + 0.34, M g / M g^{2 +} = - 2.37

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