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Chemistry · 2021

JEE Main · 27 August 2021, Shift 2 · Q55

Data given for the following reaction is as follows: FeO_( s ) + C_( graphite ) → Fe_( s ) + CO_( g ) The minimum temperature in K at which the…

Data given for the following reaction is as follows : $$\mathrm{FeO}_{(\mathrm{s})}+\mathrm{C}_{(\text {graphite })} \longrightarrow \mathrm{Fe}_{(\mathrm{s})}+\mathrm{CO}_{(\mathrm{g})} $$
Substance$\displaystyle \Delta_f \mathrm{H}^{\circ}$ ( $\displaystyle \mathrm{kJ} \mathrm{mol}^{-1}$ )$\displaystyle \Delta \mathrm{S}^{\circ}$ $\displaystyle \left(\mathrm{J} \mathrm{mol}^{-1} \mathrm{~K}^{-1}\right)$
$\displaystyle \mathrm{FeO}_{(\mathrm{s})}$-$\displaystyle 266.3$$\displaystyle 57.49$
$\displaystyle \mathrm{C}_{\text {(graphite) }}$$\displaystyle 0$$\displaystyle 5.74$
$\displaystyle \mathrm{Fe}_{(\mathrm{s})}$$\displaystyle 0$$\displaystyle 27.28$
$\displaystyle \mathrm{CO}_{(\mathrm{g})}$-$\displaystyle 110.5$$\displaystyle 197.6$
The minimum temperature in K at which the reaction becomes spontaneous is \_\_\_\_. (Integer answer)
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.