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Electrochemistry question

2022 · Shift 1 · Q2

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JEE Advanced
Chemistry
Electrochemistry
2022 · Shift 1 · Q2

Electrochemistry question

2022 · Shift 1 · Q2

JEE AdvancedChemistryElectrochemistryNumerical+3 / −1

The reduction potential

\left(E^{0}\right.

, in

\left.\mathrm{V}\right)

of

\mathrm{MnO}_{4}^{-}(\mathrm{aq}) / \mathrm{Mn}(\mathrm{s})

is

\underline{\hspace{2cm}}

. [Given:

E_{\left(\mathrm{MnO}_{4}^{-}(\mathrm{aq}) / \mathrm{MnO}_{2}(\mathrm{~s})\right)}^{0}=1.68 \mathrm{~V} ; E_{\left(\mathrm{MnO}_{2}(\mathrm{~s}) / \mathrm{Mn}^{2+}(\mathrm{aq})\right)}^{0}=1.21 \mathrm{~V} ; E_{\left(\mathrm{Mn}^{2+}(\mathrm{aq}) / \mathrm{Mn}(\mathrm{s})\right)}^{0}=-1.03 \mathrm{~V}

]

Numerical answer

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