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Electrochemistry question

2014 · Shift 0 · Q7

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JEE Main
Chemistry
Electrochemistry
2014 · Shift 0 · Q7

Electrochemistry question

2014 · Shift 0 · Q7

JEE MainChemistryElectrochemistryMCQ+4 / −1

Given below are the half-cell reactions:

Mn^{2+}

+ 2e-

\to

Mn

; Eo = -1.18 V 2(

Mn^{3+}

+ e-

\to

Mn^{2+}

); Eo = +1.51 V The Eo for 3

Mn^{2+}

\to

Mn

+ 2

Mn^{3+}

will be :

A
– 0.33 V; the reaction will not occur
B
– 0.33 V; the reaction will occur
C
– 2.69 V; the reaction will not occur
D
– 2.69 V; the reaction will occur

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