Question

The chemical reaction,
2AgCl₍ₛ₎ + H2(g) → 2HCl₍ₐq₎ + 2Ag₍ₛ₎
taking place in a galvanic cell is represented by the notation
(a) Pt₍ₛ₎ | H2(g),1 bar |1MKCl₍ₐq₎ | AgCl₍ₛ₎ | Ag₍ₛ₎
(b) Pt₍ₛ₎ | H2(g) ,1 bar |1MHCl₍ₐq₎ |1MAg+(aq) | Ag₍ₛ₎
(c) Pt₍ₛ₎ | H2(g) ,1 bar |1MHCl₍ₐq₎ | AgCl₍ₛ₎ | Ag₍ₛ₎
(d) Pt₍ₛ₎ | H2(g) ,1 bar |1MHCl₍ₐq₎ | Ag₍ₛ₎ | AgCl₍ₛ₎

Answer 1

Answer:

c

Explanation:

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Answer 2

The chemical reaction i.e. 2AgCl₍ₛ₎ + H2(g) → 2HCl₍ₐq₎ + 2Ag₍ₛ₎ that takes place in a galvanic cell is represented by the notation:

(b) Pt₍ₛ₎ | H2(g) ,1 bar |1MHCl₍ₐq₎ |1MAg+(aq) | Ag₍ₛ₎

In the given equation- 2AgCl₍ₛ₎ + H2(g) → 2HCl₍ₐq₎ + 2Ag₍ₛ₎ ,

• The solid's and liquid's activities are considered unity.

• Also, a solute's activity is considered as molarity at low concentrations.

• Therefore the cell reaction will be  

        Pt₍ₛ₎ | H2(g) ,1 bar |1MHCl₍ₐq₎ |1MAg+(aq) | Ag₍ₛ₎