Which galvanic cell has the reaction 1/2 H2 + AgCl to H+ + Cl- + Ag

1. A.
   $Pt\left| H_{2}(\text{ }g) \right|KCl\left( {sol}^{n} \right)|AgCl(s)|Ag$
2. B.
   $Pt\left| H_{2}(\text{ }g) \right|HCl\left( {sol}^{n} \right)|AgCl(s)|Ag$
3. C.
   $Ag|AgCl(s)|KCl\left( {sol}^{n} \right)|AgCl(s)|Ag$
4. D.
   $Pt\left| H_{2}(\text{ }g) \right|HCl\left( {sol}^{n} \right)\left| {AgNO}_{3}\left( {sol}^{n} \right) \right|Ag$

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1. A.
   $Pt\left| H_{2(\text{ }g)} \right|{HCl}_{\text{(soln.)~}}\left| {AgCl}_{\text{(s)~}} \right|Ag$
2. B.
   $Pt\left| H_{2(\text{ }g)} \right|{HCl}_{\text{(soln.)~}}\left| {AgNO}_{3(\text{~(aq)~}} \right|Ag$
3. C.
   $Pt\left| H_{2(\text{ }g)} \right|{KCl}_{\text{(soln.)~}}\left| {AgCl}_{\text{(s)~}} \right|Ag$
4. D.
   $Ag\left| {AgCl}_{\text{(s)~}} \right|{KCl}_{\text{(soln.)~}}\left| {AgNO}_{3\text{~(aq.)~}} \right|Ag$

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