The standard reduction potential E° for half reactions are, {\Zn}\to{\Zn}^{2+}+2 {\e}^{-} ; E^\circ=+0.76 {\V} {\Fe}^{2+}+2 {\e}^{-} \to{\Fe} ; E^\circ=+0.41 The emf ofthe cell reaction; {\Fe}^{2+}+ {\Zn} \to{\Zn}^{2+}+{\Fe} is

Manipal Entrance Test 2015 Chemistry Paper

Question : 18 of 50

Marks: +1, -0

The standard reduction potential E° for half reactions are,
Zn→Zn2++2e−;E°=+0.76V
Fe2++2e−→Fe;E°=+0.41
The emf ofthe cell reaction;
Fe2++Zn→Zn2++Fe is

−0.35V
+0.35V
+1.17V
−1.17V

Validate

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