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Electrochemical Series

Is 1.0 M H ...

Question

Is 1.0 M $H^{+}$ solution under $H_{2} {S O}_{4}$ at 1.0 atm capable of oxidizing silver metal in the presence of 1.0 M $A g^{+}$ ion?
$E_{{A g}^{+} | A g}^{0} = 0.80 V, E_{H^{+} | H_{2} (P t)}^{0} = 0.0 V$ .

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Solution

$E_{c e l l} = E_{R} - E_{L}$
$E_{c e l l} = 0 - 0.80$
$= - 0.80$
Since the EMF of the cell is negative the reaction is non spontaneous and hence capable of oxidizing silver metal.

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