MCQ
The strongest acid among the following compounds is
- A$CH_3COOH$
- ✓$CH_3CH_2CH(Cl)COOH$
- C$HCOOH$
- D$ClCH_2CH_2CH_2COOH$
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$\mathrm{FeO}_{(0)}+\mathrm{C}_{\text {(gaplike) }} \longrightarrow \mathrm{Fe}_{(0)}+\mathrm{CO}_{(\mathrm{g})}$
| Substance |
$\Delta \mathrm{H}^{\circ}$ $\left(\mathrm{kJ} \mathrm{mol}^{-1}\right)$ |
$\Delta \mathrm{S}^{\circ}$ $\left(\mathrm{J} \mathrm{mol}^{-1} \mathrm{~K}^{-1}\right)$ |
| $\mathrm{FeO}_{(s)}$ | $-266.3$ | $57.49$ |
| $\mathrm{C}_{\text {(graphite) }}$ | $0$ | $5.74$ |
| $\mathrm{Fe}_{(s)}$ | $0$ | $27.28$ |
| $\mathrm{CO}_{(\mathrm{g})}$ | $-110.5$ | $197.6$ |
The minimum temperature in $\mathrm{K}$ at which the reaction becomes spontaneous is ....... .
(Integer answer)


$\begin{array}{*{20}{c}}
O \\
{||} \\
{C{H_3} - C - C{H_3}}
\end{array}\mathop {\xrightarrow{{Conc.{H_2}S{O_4}}}}\limits_{Distillation} [X]$
$[X]$ will be :