Problem 14
Which is formed when \(\left(\mathrm{CH}_{3}\right)_{4} \mathrm{NOH}\) is heated? (a) \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{NH}_{2}\) (b) \(\left(\mathrm{CH}_{2}\right)_{3} \mathrm{~N}\) (c) \(\mathrm{CH}_{3} \mathrm{NH}_{2}\) (d) \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{~N}\)
Problem 15
Which of the following is most basic in nature? (a) benzylamine (b) acetamide (c) aniline (d) none of these
Problem 17
An organic compound 'A' having molecular formula \(\mathrm{C}_{2} \mathrm{H}_{3} \mathrm{~N}\), on reduction gave another compound 'B'. Upon treatment with nitrous acid, 'B' gave ethyl alcohol. On warming with chloroform and alcoholic \(\mathrm{KOH}\), it formed an effensive smelling compound ' \(\mathrm{C}\) '. The compound ' \(\mathrm{C}^{\prime}\) is (a) \(\mathrm{CH}_{3} \mathrm{C} \equiv \mathrm{N}\) (b) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) (c) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NH}_{2}\) (d) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{~N} \equiv \mathrm{C}\)
Problem 18
Aniline reacts with which of the following to form a Schiff's base (a) benzaldehyde (b) acetone (c) acetic acid (d) both (a) and (b)
Problem 20
Which of the following gives primary amine on reduction? (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NO}_{2}\) (b) \(\mathrm{CH}_{3} \mathrm{CH}_{2}-\mathrm{O}-\mathrm{N}=\mathrm{O}\) (c) \(\mathrm{C}_{6} \mathrm{H}_{3} \mathrm{~N}=\mathrm{NC}_{6} \mathrm{H}_{5}\) (d) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NC}\).
Problem 21
Reaction of aniline with benzaldehyde is a \ldots...... reaction? (a) addition (b) condensation (c) polymerization (d) substitution
Problem 22
The indicator that is obtained by coupling the diazonium salt of sulphanilic acid with \(\mathrm{N}, \mathrm{N}\)-dimethylaniline is (a) methyl orange (b) phenolphthalene (c) indigo (d) phenanthroline
Problem 24
Nitrobenzene on electrolytic reduction in strongly acidic medium gives (a) aniline (b) m-nitroaniline (c) nitrosobenzene (d) p-aminophenol
Problem 25
The reagent that reacts with nitromethane to fo methylhydroxylamine is (a) \(\mathrm{Zn} / \mathrm{NaOH}\) (b) \(\mathrm{Sn} / \mathrm{HCl}\) (c) \(\mathrm{Zn} / \mathrm{NH}_{4} \mathrm{Cl}\) (d) \(\mathrm{Zn} / \mathrm{HCl}\)
Problem 26
Which amine of the following will not give carbylamine reaction? (a) ethylamine (b) dimethylamine (c) methylamine (d) phenylamine
