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A cell is built from Mg²⁺/Mg, E° = -2.37 V, and… | StemPy Lab
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A cell is built from Mg²⁺/Mg, E° = -2.37 V, and Fe²⁺/Fe, E° = -0.44 V. What is the standard cell potential?
Chemistry
Medium
High School (11–12)
Redox Reactions › Oxidation Number and Types of Redox Reactions
NEET
AP
A-Level
IB
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StemPy Lab
A cell is built from
Mg
2
+
/
Mg
\text{Mg}^{2+}/\text{Mg}
Mg
2
+
/
Mg
,
E
∘
=
−
2.37
V
E^\circ = -2.37\ \text{V}
E
∘
=
−
2.37
V
, and
Fe
2
+
/
Fe
\text{Fe}^{2+}/\text{Fe}
Fe
2
+
/
Fe
,
E
∘
=
−
0.44
V
E^\circ = -0.44\ \text{V}
E
∘
=
−
0.44
V
. What is the standard cell potential?
2.81
V
2.81\ \text{V}
2.81
V
1.93
V
1.93\ \text{V}
1.93
V
1.37
V
1.37\ \text{V}
1.37
V
−
1.93
V
-1.93\ \text{V}
−
1.93
V
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← Electrons flow through the wire of a working Daniell cell. In which direction do they go, and how does the current of the cell move?
The couples Mg²⁺/Mg (-2.37 V), Cu²⁺/Cu (+0.34 V), Ag⁺/Ag (+0.80 V) and Fe³⁺/Fe²⁺ (+0.77 V) are given. Which ion is the strongest oxidising agent? →
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Redox Reactions › Oxidation Number and Types of Redox Reactions
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