MCQ
When ethylene bromide is treated with $Zn,$ we get
- AAlkane
- ✓Alkene
- CAlkyne
- DAll
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$HA \to A^-+ H^+$ , $\Delta H = Z$
$H^+ + OH^-\to H_2O$, $\Delta H = X$
$HA + OH^-\to A^-+ H_2O$, $\Delta H = Y$
$\mathrm{HF}, \mathrm{H}_2, \mathrm{H}_2 \mathrm{~S}, \mathrm{CO}_2, \mathrm{NH}_3, \mathrm{BF}_3, \mathrm{CH}_4, \mathrm{CHCl}_3, \mathrm{SiF}_4$, $\mathrm{H}_2 \mathrm{O}, \mathrm{BeF}_2$