JEE Mains · Chemistry · STD 12 - 2. Electrochemistry
The reaction \(\frac{1}{2} H _2( g )+ AgCl ( s ) \rightleftharpoons H ^{+}( aq )+ Cl ^{-}( aq )+ Ag ( s )\) occurs in which of the given galvanic cell.
- A \(Pt \mid H _2\) (g) \(\left| KCl \left( sol ^{ n }\right)\right| \operatorname{AgCl}( s ) \mid Ag\)
- B \(Pt \left| H _2( g )\right| HCl \left( sol ^{ n }\right)| AgCl ( s )| Ag\)
- C \(Ag | AgCl ( s )| KCl \left( sol ^{ I }\right)| AgCl ( s )| Ag\)
- D \(Pt \left| H _2( g )\right| HCl \left( sol ^{ n }\right)\left| AgNO _3\left( sol ^{ n }\right)\right| Ag\)
Answer & Solution
Correct Answer
(B) \(Pt \left| H _2( g )\right| HCl \left( sol ^{ n }\right)| AgCl ( s )| Ag\)
Step-by-step Solution
Detailed explanation
Anode : \(\frac{1}{2} H _2( g ) \rightleftharpoons H ^{+}( aq )+ e ^{-}\) Cathode : \(AgCl ( s )+ e ^{-} \rightarrow Ag ( s )+ Cl ^{-}( aq )\)
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