Phenyl isocyanides are prepared from which of the following reaction ?
Rosenmund's reaction
Carbylamine reaction
Reimer-Tiemann reaction
Wurtz reaction
Aniline when diazotised in cold and then treated with dimethyl aniline, gives a coloured product. Its structure would be
A reagent suitable for the determination of N-terminal residue of a peptide is
p-toluene sulphonyl chloride
2,4-dinitrophenyl hydrazine
carboxypeptidase
2,4-dinitro fluorobenzene
Predict the product,
In a reaction of aniline a coloured products C was obtained.
The structure of C would be
Mark the correct statement.
Methyl amine is slightly acidic
Methyl amine is less basic than ammonia
Methyl amine is a stronger base than NH3
Methyl amine forms salts with alkalies
When aniline reacts with oil of bitter almonds (C6H5CHO) condensation takes place and benzal derivative is formed. This is known as
Million's base
Schiff's reagent
Schiff's base
Benedict's reagent
Amides can be converted into amines by a reaction named as
Perkin
Claisen
Hofmann
Kekule
The final product C, obtained in this reaction
would be
What is the decreasing order of basicity of 1o , 2o and 3o ethyl amines and ammonia ?
NH3 > C2H5NH2 > (C2H5)2 NH > (C2H5)3N
(C2H5)3N > (C2H5)2 NH > C2H5 NH2 > NH3
(C2H5)3NH > C2H5 NH2 > (C2H5 )3 N > NH3
(C2H5)2NH > (C2H5)3 N > C2H5 NH2 > NH3
