MCQ
$X$ can be prepared by except
- A
- B
- C
- ✓$C{H_3} - C \equiv CH\,\xrightarrow[{Fe\,tube}]{{\operatorname{Re} d\,hot}}$
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$K + {H_2}O + $Water $ \to KOH(aq) + \frac{1}{2}{H_2};\,\Delta H = - 48\,kcal$
$KOH + $Water $ \to KOH(aq);\,\Delta H = - 14\,kcal$
The heat of formation of $KOH$ is (in kcal)