ElectrochemistryHard
Question
Zn | Zn2+ (C1)|| Zn2+ (C2)|Zn. for this cell ᐃG is negative if -
Options
A.C1 = C2
B.C1 > C2
C.C2 > C1
D.None
Solution
Zn → Zn2+(C1) + 2e-
Zn2+(C2) + 2e- → Zn
Zn2+(C2) ⇋ Zn2+(C1)
E = 0 -
log 
E → +ve When C1 < C2
Zn2+(C2) + 2e- → Zn
Zn2+(C2) ⇋ Zn2+(C1)
E = 0 -
log E → +ve When C1 < C2
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