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Electrochemistry question

2024 · 5 Apr · Shift 2 · Q19

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JEE Main
Chemistry
Electrochemistry
2024 · 5 Apr · Shift 2 · Q19

Electrochemistry question

2024 · 5 Apr · Shift 2 · Q19

JEE MainChemistryElectrochemistryMCQ+4 / −1

For the electro chemical cell

\mathrm{M}\left|\mathrm{M}^{2+}\right||\mathrm{X}| \mathrm{X}^{2-}

If

\mathrm{E}_{\left(\mathrm{M}^{2+} / \mathrm{M}\right)}^0=0.46 \mathrm{~V}

and

\mathrm{E}_{\left(\mathrm{x} / \mathrm{x}^{2-}\right)}^0=0.34 \mathrm{~V}

. Which of the following is correct?

A
$\mathrm{E}_{\mathrm{cell}}=0.80 \mathrm{~V}$
B
$\mathrm{M}+\mathrm{X} \rightarrow \mathrm{M}^{2+}+\mathrm{X}^{2-}$ is a spontaneous reaction
C
$\mathrm{E}_{\text {cell }}=-0.80 \mathrm{~V}$
D
$\mathrm{M}^{2+}+\mathrm{X}^{2-} \rightarrow \mathrm{M}+\mathrm{X}$ is a spontaneous reaction

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