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Questions
How will you prepare chloroform from ethanol (give equations)?
How would you obtain chloroform from ethanol?
Chemical Equations/Structures
Short Answer
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Solution
Ethanol is oxidized and halogenated in the presence of chlorine and alkali (NaOH) to form chloroform.
\[\ce{\underset{Ethanol}{CH3CH2OH} + 4Cl2 + 6NaOH -> \underset{Chloroform}{CHCl3} + HCOONa + 5NaCl + 5H2O}\]
Ethanol is first oxidized to acetaldehyde (CH3CHO), then halogenated and hydrolyzed to give chloroform (CHCl3) and sodium formate (HCOONa).
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Chapter 10: Haloalkanes and Haloarenes - REVIEW EXERCISES [Page 393]
