CBSE 2023 · Region 1 · Set 2 · Q3 · 1 mark

$\displaystyle \mathrm{Ag}^{+}(\mathrm{aq})+\mathrm{e}^{-} \longrightarrow \mathrm{Ag}(\mathrm{s}) \quad \mathrm{E}^{\circ}=+0.80 \mathrm{~V}$ $\displaystyle \mathrm{Fe}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \longrightarrow \mathrm{Fe}(\mathrm{s}) \quad \mathrm{E}^{\circ}=-0.44 \mathrm{~V}$ Find the $\displaystyle \mathrm{E}_{\text {cell }}^{\circ}$ for: $\displaystyle \mathrm{Fe}(\mathrm{s})+2 \mathrm{Ag}^{+}(\mathrm{aq}) \longrightarrow \mathrm{Fe}^{2+}(\mathrm{aq})+2 \mathrm{Ag}(\mathrm{s})$

CBSE Class 12 Chemistry past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.