The reaction ; 2(g) (s) (aq) (aq) (s) 1 H AgCl H Cl Ag occurs in which of the following galvanic cell : (A) 2(g) (soln.) (s) Pt H HCl AgCl Ag (B) 2(g) (soln.) 3(aq) Pt H HCl AgNO Ag (C) 2(g) (soln.) (

Question

The reaction ; 2(g) (s) (aq) (aq) (s) 1 H AgCl H Cl Ag occurs in which of the following galvanic cell :

(A) 2(g) (soln.) (s) Pt H HCl AgCl Ag
(B) 2(g) (soln.) 3(aq) Pt H HCl AgNO Ag
(C) 2(g) (soln.) (s) Pt H KCl AgCl Ag
(D) (s) (soln.) 3(aq.) Ag AgCl KCl AgNO Ag

Prashant Kotian · Accepted Answer

Correct answer: C. Anodic half cell Gas – gas ion electrode    2 g aq 1 H H e     $//(1® Cathodic Reaction Metal-metal insoluble salt anion electrode    aq s Ag e Ag          s aq aq AgCl Ag Cl        s s aq AgCl e Ag Cl      Overall redox reaction        2 g s aq aq s 1 H AgCl H Cl Ag       Cell Representation 2(g) (sol) (s) Pt | H | kCl | AgCl | Ag

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