The reaction $\frac{1}{2} \mathrm{H}_{2}(\mathrm{~g})+\mathrm{AgCl}(\mathrm{s}) ightarrow…

The reaction
$\frac{1}{2} \mathrm{H}_{2}(\mathrm{~g})+\mathrm{AgCl}(\mathrm{s}) ightarrow \mathrm{H}^{+}(\mathrm{aq})+\mathrm{Cl}^{-}(\mathrm{aq})+\mathrm{Ag}(\mathrm{s})$
occurs in the galvanic cell
  1. $\mathrm{Ag} / \mathrm{AgCl}(s) \mathrm{KCl}(\mathrm{soln}) \| \mathrm{AgNO}_{3}(\mathrm{soln}) / \mathrm{Ag}$
  2. $\mathrm{Pt} / \mathrm{H}_{2}(\mathrm{~g}) \mathrm{HCl}(\mathrm{soln}) \| \mathrm{AgNO}_{3}(\mathrm{soln}) / \mathrm{Ag}$
  3. $\mathrm{Pt} / \mathrm{H}_{2}(\mathrm{~g}) \mathrm{HCl}(\mathrm{soln}) \| \mathrm{AgCl}(\mathrm{s}) / \mathrm{Ag}$
  4. $\mathrm{Pt} / \mathrm{H}_{2}(\mathrm{~g}) \mathrm{KCl}(\mathrm{soln}) \| \mathrm{AgCl}(s) / \mathrm{Ag}$

Solution

$\mathrm{H}_{2}$ undergoes oxidation and $\mathrm{AgCl}\left(\mathrm{Ag}^{+}ight)$undergoes reduction. *

Asked in: JEE-TOPICTESTS-CHEMISTRY

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