In which of the following, NH3 is not used?
Tollen's reagent
Nessler's reagent
Group reagent for the analysis of IV group basic radicals
Group reagent for the analysis of III group basic radicals
B.
Nessler's reagent
Potassium tetraiodo mercurate (II), i.e. K2[HgI4] dissolves in KOH solution to give Nessler's reagent. Nesseler's reagent is used to test N ions
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
Electrolytic reduction of nitrobenzene in weakly acidic medium gives
aniline
nitrosobenzene
N-phenylhydroxylamine
p-hydroxyaniline