MCQ
Alcoholic potash is used to bring about
- ADehydrogenation
- BDehydration
- ✓Dehydrohalogenation
- DDehalogenation
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when $\underset{(i)}{\mathop{\gamma =C{{H}_{3}}CO_{2}^{-},}}\,\,\,\,\,\,\underset{(ii)}{\mathop{Cl-C{{H}_{2}}-CO_{2}^{-},}}\,\,\,\,\,\,\,\underset{(iii)}{\mathop{Ph-SO_{3}^{-}}}\,$

Given : Molar Mass of $Na$, $O$ and $H$ is $23,16$ and $1\,g\,mol ^{-1}$ respectively