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

Amine that cannot be prepared by Gabriel phthalimide synthesis is

• aniline

• benzylamine

• methylamine

• iso-butylamine

Lactose is made of

• $\mathrm{\alpha }$-D-glucose only

• $\mathrm{\alpha }$-D-glucose and $\mathrm{\beta }$-D-glucose

• $\mathrm{\alpha }$-D-galactose and $\mathrm{\beta }$-D-glucose

• $\mathrm{\beta }$-D-galactose and $\mathrm{\beta }$-D-glucose

Gabriel phthalimide reaction is used for the preparation of

• primary aromatic amines

• secondary amines

• primary aliphatic amines

• tertiary amines

245.

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

$$\begin{gathered} {\mathrm{RCON}}_3\stackrel{\mathrm{heat}}{\to }\mathrm{RNCO}\stackrel{{\mathrm{H}}_2\mathrm{O}}{\to }{\mathrm{RNH}}_2 \\ \mathrm{This} \mathrm{reaction} \mathrm{is} \mathrm{known} \mathrm{as}: \end{gathered}$$

• Schmidt reaction

• Wurtz reaction

• Curtius reaction

• Gabriel phthalimide reaction

Consider the following compounds:

Correct order of the basic nature of the above compounds:

• $\mathrm{I}<\mathrm{II}<\mathrm{III}<\mathrm{IV}$

• $\mathrm{IV}<\mathrm{II}<\mathrm{III}<\mathrm{I}$

• $\mathrm{I}<\mathrm{III}<\mathrm{IV}<\mathrm{II}$

• $\mathrm{II}<\mathrm{IV}<\mathrm{III}<\mathrm{I}$

The correct order of basicity of:

• A> B > C > D

• D > C>A> B

• B > D > C > A

• D>A> B > C

Consider the following consersion,

The reagent 'X' will be:

• H₃PO₂

• Cu₂Cl₂

• HgSO₄/H₂SO₄

• H⁺/H₂O