MCQ
$C(s) + {O_2}(g)\, \to \,C{O_2};\,\,\,\,\Delta H = - 94\,kcal$
$CO(g) + \frac{1}{2}{O_2}(g)\, \to \,C{O_2};\,\,\,\Delta H = 135.2\,kcal$
Then heat of formation of $CO(g)$ is .....$ kcal$
- A$-26.4$
- B$41.2$
- C$26.4$
- ✓$-229.2 $
✓
Answer
Correct option: D.
$-229.2 $
(d) By $(i) -(ii)$ : $C + \frac{1}{2}{O_2} \to CO;\,\,\,\Delta H = - 229.2.$
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