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Question
In which one of the following conversions, phosphorus pentachloride is used as a reagent?
Options
\[\ce{H2C = CH2 -> CH3CH2Cl}\]
\[\ce{C2H6 -> C2H5Cl}\]
\[\ce{CH3CH2OH -> CH3CH2Cl}\]
\[\ce{C6H6 -> C6H5Cl}\]
MCQ
Solution
\[\ce{CH3CH2OH -> CH3CH2Cl}\]
Explanation:
\[\ce{\underset{Ethyl alcohol}{CH3 - CH2 - OH} + PCl5 ->[\Delta] \underset{Ethyl chloride}{CH3 - CH2 - Cl} + \underset{Phosphorus oxychloride}{POCl3} + HCl}\]
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Preparation of Carboxylic Acids
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