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Questions
What happens when chloroform is boiled with aqueous KOH?
What happens when chloroform is boiled with aqueous potassium hydroxide?
Short Answer
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Solution
When chloroform is boiled with aqueous KOH, it undergoes dehydrohalogenation, forming formaldehyde.
\[\ce{\underset{chloroform}{CHCl3} + 4KOH -> \underset{formaldehyde}{HCHO} + 3KCl + 2H2O}\]
The chlorine in chloroform is removed in the presence of aqueous KOH, and the remaining structure undergoes oxidation, forming formaldehyde (HCHO) along with potassium chloride and water.
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Chapter 6: Haloalkanes and Haloarenes - REVIEW EXERCISES [Page 593]
