In carbylamine reaction, primary amines react with alkaline CHCl3 and the final product is a carbylamine. From start to finish, how many instances of dehydrochlorination takes place?
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Solution
Lets take an example of aniline. First dehydrohalogenation appears in formation of dichlorocarbene and twice it occurs in formation of isocyanide. So a total of three instances of dehydrohalogenation takes place.