531.

• fiuorobenzene

• benzene

• 1, 2-difluoro benzene

• 1, 3-difluoro benzene

The indicator that is obtained by coupling the diazonium salt of sulphanilic acid with N, N-dimethyl aniline is

• phenanthroline

• methyl orange

• methyl red

• phenolphthalein

Acetaldoxime on reduction with Na/C₂H₅OH gives

• 2-propanol

• ethyl amine

• acetaldehyde

• ethanol

CH₃Br + KCN (alc) → X $\underset{\mathrm{Na}/ {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}}{\overset{\mathrm{Reduction}}{\to }}$ Y

What is Y in the series?

• CH₃CN

• C₂H₅CN

• C₂H₅NH₂

• CH₃NH₂

Acetonitrile on reduction gives

• propanamine

• methanamine

• ethanamine

• None of these

Methyl amine reacts with methyl iodide. For completion of reaction, how many moles of methyl iodide are required ?

• 1

• 2

• 3

• 4

Complete the following reaction
RNH₂ + H₂SO₄   →

• [RNH₃]⁺HSO^-₄

• $[{\mathrm{RNH}}_3{]}_2^{+}{\mathrm{SO}}_4^{2-}$

• RNH₂.H₂SO₄

• no reaction

Primary amine (RNH₂) reacts with nitrous acid to give

• ${\mathrm{RNH}}_3^{+}{\mathrm{NO}}_2$

• ROH

• ROR

• None of these

IUPAC name of CH₃—CHNH₂—CH₃ is

• dimethyl amine

• 2-amino propane

• isopropylamine

• 2-propanamine

Aniline reacts with acetaldehyde to form

• Schiffs base

• carbylamine

• immine

• none of these