Given- Fes- Fe2-2e-Eo-0-44V Pbs- Pb2-2e-Eo-0-13V Ag-e- Ag-Eo-0-8V Cu2-2e- Cu-Eo-0-34VWhich of the following metals will oxidise iron-a Ag b Cu c Pb d None of these

The correct option is C a, b, c To oxidise iron net #160; E_cell #160; gt; #160; 0 ∴ #160; SPR_iron #160; + #160; SPR_reduced # ...

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Calcination

Given: Fes→...

Question

Given: $F e_{(s)} \to F e^{2 +} + 2 e^{-}; E^{o} = + 0.44 V$
$P b_{(s)} \to P b^{2 +} + 2 e^{-}; E^{o} = + 0.13 V$
$A g^{+} e^{-} \to A g; E^{o} = + 0.8 V$

$C u^{2 +} 2 e^{-} \to C u; E^{o} = + 0.34 V$

Which of the following metals will oxidise iron?
a) $A g$
b) $C u$
c) $P b$
d) None of these

only

a

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a, b

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a, b, c

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only

b

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Solution

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Similar questions

P b^{2 +} + 2 e \to P b

(E^{o} = - 0.13 v)

A g^{+} + e \to A g

(E^{o} = + 0.80 v)

C u^{2 +} + 2 e^{-} \to C u; E^{o} = 0.337

C u^{2 +} + e^{-} \to C u^{+}; E^{o} = - 0.153

E^{o}

C u^{+} + e \to C u

{C u}^{+} + e^{-} ⟶ C u, E^{o} = x_{1}

{C u}^{2 +} + {2 e}^{-} ⟶ C u, E^{o} = x_{2}

{C u}^{+} + e^{-} ⟶ {C u}^{+}, E^{o}

E^{o}

C u^{2 +} + e^{-} \to C u^{+}

E^{o} = 0.15

C u^{2 +} + 2 e^{-} \to C u

E^{o} = 0.34

E^{o}

C u^{+} + e^{-} \to C u

P b + S n^{2 +} \to P b^{2 +} + S n

E^{o}

P b \to P b^{2 +}

E^{o}

S n^{2 +} + 2 e^{-} \to S n

E^{o}

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