MCQ
Product is


- A

- B

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- D







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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)
$CH_3-CH_2-COOH$ $\mathop {\xrightarrow{{(i)\,AgN{O_3}}}}\limits_{(ii)\,B{r_2}/\Delta } $ $[X]$
$[X]$ will be :
(Atomic number of $Zn =30,\,Ni =28$ and $Cr =24$ )
