Amine that cannot be prepared by Gabriel phthalimide synthesis is
aniline
benzylamine
methylamine
iso-butylamine
Lactose is made of
-D-glucose only
-D-glucose and -D-glucose
-D-galactose and -D-glucose
-D-galactose and -D-glucose
Gabriel phthalimide reaction is used for the preparation of
primary aromatic amines
secondary amines
primary aliphatic amines
tertiary amines
During, acetylation of amines, what is replaced by acetyl group ?
Hydrogen atom attached to nitrogen atom
One or more hydrogen atoms attached to carbon atom
One or more hydrogen atoms attached to nitrogen atom
Hydrogen atoms attached to either carbon atom or nitrogen atom
C.
One or more hydrogen atoms attached to nitrogen atom
During acetylation of amines, one or more hydrogen atoms attached to nitrogen atom are replaced by acetyl group.
Electrolytic reduction of nitrobenzene in weakly acidic medium gives
aniline
nitrosobenzene
N-phenylhydroxylamine
p-hydroxyaniline
Aniline when diazotised in cold and then treated with dimethyl aniline gives a coloured product. The structure of coloured product would be: