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Electrochemistry question

2025 · 3 Apr · Shift 2 · Q16

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JEE Main
Chemistry
Electrochemistry
2025 · 3 Apr · Shift 2 · Q16

Electrochemistry question

2025 · 3 Apr · Shift 2 · Q16

JEE MainChemistryElectrochemistryMCQ+4 / −1

The standard cell potential

\left(\mathrm{E}_{\text {cell }}^{\ominus}\right)

of a fuel cell based on the oxidation of methanol in air that has been used to power television relay station is measured as 1.21 V . The standard half cell reduction potential for

\mathrm{O}_2\left(\mathrm{E}_{\mathrm{O}_2 / \mathrm{H}_2 \mathrm{O}}^{\circ}\right)

is 1.229 V . Choose the correct statement :

A
Reactants are fed at one go to each electrode.
B
Oxygen is formed at the anode.
C
The standard half cell reduction potential for the reduction of $\mathrm{CO}_2\left(\mathrm{E}_{\mathrm{CO}_2 / \mathrm{CH}_3 \mathrm{OH}}^{\circ}\right)$ is 19 mV
D
Reduction of methanol takes place at the cathode.

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