Question
Alcohol can be dehydrated by:
  1. (CH3​CO)2​O
  2. (CH3​)2​SO4​
  3. HI/P
  4. AnhyZnCl2​/$\Delta$

Answer

  1. AnhyZnCl2​/$\Delta$

Explanation:

$\text{R}-\text{CH}_2-\text{OH}\xrightarrow{\text{Anhy Zncl}_2{\Delta}}\text{R}=\text{CH}_2$

 

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