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Question

The standard electrode potential of the half cells is given below:
Zn2++2eZn;E=0.76V
Fe2++2eFe;E=0.44V
The emf of the cell Fe2+=ZnZn2++Fe
  1. 1.54V
  2. 1.54V
  3. 0.32V
  4. +0.19V

A
1.54V
B
1.54V
C
0.32V
D
+0.19V
Solution
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The correct option is C 0.32V
E0cell=(E0Fe2+|Fe+E0Zn|Zn2+)
=(0.44V+0.76)
E0=+0.32Volt

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Similar Questions
Q1
The standard electrode potential of the half cells is given below:
Zn2++2eZn;E=0.76V
Fe2++2eFe;E=0.44V
The emf of the cell Fe2+=ZnZn2++Fe
View Solution
Q2
The standard electrode potential of the half cells are given below -

Zn2++2eZn; E1=7.62 V

Fe2++2eFe; E2=7.81 V

The emf of the cell, Fe2++ZnZn2++Fe is:

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Q3
The standard reduction potentials E for the half reactions are follows :

ZnZn2++2e;E=+0.76V
FeFe2++2e;E=0.41V
The EMF for the cell reaction Fe2+ZnZn2++Fe is:

View Solution
Q4
The standard reduction potential Eo for half reactions are,

ZnZn2++2e;Eo=0.76 V

Fe2++2eFe;Eo=+0.41 V

The emf of the cell reaction; Fe2++ZnZn2++Fe is:

View Solution
Q5
The standard oxidation potentials, E, for the half reactions are as,
ZnZn2++2e;E=+0.76 volt
FeFe2++2e;E=+0.41 volt
The emf of the cell, Fe2++ZnZn2++Fe is:
View Solution