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Electrochemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryElectrochemistry1 Mark
Question
Can $\text{E}^\ominus_{\text{Cell}}$ or $\Delta_{\text{r}}\text{G}^\ominus$ for cell reaction ever be equal to zero?
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Answer

No, $\text{E}^\ominus$ and $\Delta\text{G}^\ominus$ for cell reaction can never be zero.
$\Delta\text{G}^\ominus=-\text{n}\text{FE}^\ominus$
$\text{E}^\ominus$ is never zero hence, $\Delta\text{G}^\ominus$ will also be not equal to zero.

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