Question

How do we convert ethyl chloride to ethanal

Answer 1

Ethyl chloride. Add KOH aq then do oxidation by kmno4 to form ethyl aldehyde

Answer 2

Step to convert ethyl chloride to ethanal

1. Ethyl chloride is treated with alcoholic KOH. This leads to elimination of HCl and yields ethene.
2. Ethene in the presence of water, undergoes hydrogenation and leads to the formation of compound called ethanol.
3. When this ethanol is made to react with PCC, it leads to the formation of ethanal by releasing $H_2$ gas.
4. The chemical reaction involved in conversion process is as follows:

$C H_{3} C H_{2} C l \stackrel{\text {Alcoholic }K O H}{\longrightarrow} {C} H_{2}=C H_{2} \stackrel{H_{2} O}{\longrightarrow} C H_{3} C H_{2} O H \stackrel{P C C}{\longrightarrow} C H_{3} C H O$

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Convert ethyl chloride to ethene

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