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Question

A small amount of ethyl alcohol is added to brine solution in the Nelson’s Cell is closed and electrolyzed. The final organic product formed is.


  1. CH3CHO

  2. CCl3CHO

  3. CHCl3

  4. CCl3COOH


Solution

The correct option is C

CHCl3


Chlorine at anode oxidises ethanol to chloral C2H5OH+4Cl2CCl3CHO+5HCl,
Chloral on base hydrolysis with caustic soda finally gives chloroform
CCl3CHO+NaOHHCOONa+CHCl3

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