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Karnataka Board PUCPUC Science 2nd PUC Class 12

What happens when ethyl chloride is treated with aqueous KOH? - Chemistry

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Question

What happens when ethyl chloride is treated with aqueous KOH?

Chemical Equations/Structures
Short Answer
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Solution 1

\[\ce{CH3 - CH2 - Cl ->[KOH/H2O]\underset{(S_N2 reaction)}{CH3 - CH2 - OH}}\]

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Solution 2

When ethyl chloride is treated with aqueous KOH, it undergoes dehydrohalogenation, which eliminates hydrogen and halogen atoms from nearby carbon atoms, resulting in the production of an alkene.

\[\ce{\underset{Ethyl chloride}{CH3 - CH2 - Cl} + KOH (aq) ->[hydrolysis][\Delta] \underset{Ethyl alcohol}{CH3 - CH2 - OH} + KCl}\]

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Chapter 6: Haloalkanes and Haloarenes - Exercises [Page 191]

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NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 6 Haloalkanes and Haloarenes
Exercises | Q 6.22 (iv) | Page 191

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