1.

Which of the following methods of preparation of amines will not give same number of carbon atoms in the chain of amines as the the reactant ?

Answer»

Reaction of nitrite with `LiAlH_4`
Reaction of amide with `LiAlH_4`followed by treatment with water
Heating alkylhalide with potassium SALT of phthalimide followed by hydrolysis
Treatment of amide with BROMINE in aqueous solution of sodium hydroxide.

Solution :`UNDERSET("Amide")(RCONH_2)overset(Br_2 //NaOH)tounderset("Amine with one C-atom less than the amide")(RNH_2)`
Only treatment of amide with `Br_2` in aqueous solution of NaOH wil give an amine with lesser number of CARBON atoms than in the reactant.


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