Consider the half-cell reduction reaction: Mn²⁺ + 2e⁻ → Mn, E° = -1.18 V Mn²⁺ → Mn³⁺ + e⁻, E° = -1.51 V The E° for the reaction 3Mn²⁺ → Mn + 2Mn³⁺, and possibility of the forward reaction are respectively:
A
-4.18 V and yes
B
+0.33 V and yes
C
+2.69 V and no
D
-2.69 V and no

Question

Consider the half-cell reduction reaction: Mn²⁺ + 2e⁻ → Mn, E° = -1.18 V Mn²⁺ → Mn³⁺ + e⁻, E° = -1.51 V The E° for the reaction 3Mn²⁺ → Mn + 2Mn³⁺, and possibility of the forward reaction are respectively:

A

-4.18 V and yes

B

+0.33 V and yes

C

+2.69 V and no

D

-2.69 V and no

Accepted Answer

+0.33 V and yes

Answer

-4.18 V and yes

Answer

+2.69 V and no

Answer

-2.69 V and no

NEET 2013 Chemistry Standard Electrode Potentials MCQ Question

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