MCQ
$Ag/AgCl(s) / KCl$ electrode is
- AReversible $w.r.t$ cation
- ✓Reversible $w.r.t\, Cl^-$ ion
- CReversible $w.r.t\, K^+$ ion
- DReversible $w.r.t\, Ag^+$ ion
✓
Answer
Correct option: B.
Reversible $w.r.t\, Cl^-$ ion
b
Electrode reaction
Electrode reaction
$AgCl_{(s)} + e^-\to Ag_{(s)} + Cl^-$
$\therefore $ electrode is reversible $w.r.t.$ chloride ion
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