Answer to Question #213667 in General Chemistry for anuj

Question #213667

A common reference electrode consists of a silver wire coated with AgCl(s) and immersed in 1 M KCl (pictured in Question 7).

AgCl (s) + e- → Ag(s) + Cl(1 M)      E° = 0.2223 V


What is Ecell when this electrode is a cathode in combination with a standard zinc electrode as an anode?


1
Expert's answer
2021-07-09T05:16:06-0400

Standard Zinc cathode = - 0.76V


Ecell = Ecathode - Eanode

= 0.22V - (- 0.76V)

= + 0.98V

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