Chemistry · 2024
NEET 2024 · 23 June · Code C1 · Q90
The standard cell potential of the following cell Zn | Zn^2+( aq )| Fe^2+( aq ) ∣ Fe is 0.32 V. Calculate the standard Gibbs energy change for the…
The standard cell potential of the following cell $\displaystyle \mathrm{Zn}\left|\mathrm{Zn}^{2+}(\mathrm{aq})\right| \mathrm{Fe}^{2+}(\mathrm{aq}) \mid \mathrm{Fe}$ is $\displaystyle 0.32$ V. Calculate the standard Gibbs energy change for the reaction :
$$\mathrm{Zn}(\mathrm{~s})+\mathrm{Fe}^{2+}(\mathrm{aq}) \rightarrow \mathrm{Zn}^{2+}(\mathrm{aq})+\mathrm{Fe}(\mathrm{~s})
$$
(Given : $\displaystyle 1 \mathrm{~F}=96487 \mathrm{C}$ )
Official answer
(1)
$\displaystyle -61.75 \mathrm{~kJ} \mathrm{~mol}^{-1}$
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NEET (UG) 2024 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.