CBSE 2022 · Region 4 · Set 1 · Q9 · 3 marks
Write equations involved in the following reactions :(i)Ethanamine reacts with acetyl chloride.(ii)Aniline reacts with bromine water at room temperature.(iii)Aniline reacts with chloroform and ethanolic potassium hydroxide.(b)Write the IUPAC name for the following organic compound : $\displaystyle \left(\mathrm{CH}_{3} \mathrm{CH}_{2}\right)_{2} \mathrm{NCH}_{3}$(ii)Write the equations for the following :(I)Gabriel phthalimide synthesis(II)Hoffmann bromamide degradation
Write equations involved in the following reactions :
(i)
Ethanamine reacts with acetyl chloride.
(ii)
Aniline reacts with bromine water at room temperature.
(iii)
Aniline reacts with chloroform and ethanolic potassium hydroxide.
(b)
Write the IUPAC name for the following organic compound : $\displaystyle \left(\mathrm{CH}_{3} \mathrm{CH}_{2}\right)_{2} \mathrm{NCH}_{3}$
(ii)
Write the equations for the following :
(I)
Gabriel phthalimide synthesis
(II)
Hoffmann bromamide degradation
Marking-scheme solution
(i)
$\displaystyle \mathrm{C_2H_5NH_2 + CH_3COCl} \xrightarrow{\text{Base}} \mathrm{C_2H_5NHCOCH_3} + \mathrm{HCl}$
(ii)
$\displaystyle \xrightarrow{\mathrm{Br_2/H_2O}}$ $\displaystyle +\ 3\mathrm{HBr}$
(iii)
$\displaystyle +\ \mathrm{CHCl_3} + 3\mathrm{KOH}$ $\displaystyle \xrightarrow{\text{heat}}$ $\displaystyle +\ 3\mathrm{H_2O} + 3\mathrm{KCl}$
(i)
N-Ethyl-N-methylethanamine
(ii)
(I)
$\displaystyle \xrightarrow{\mathrm{KOH}}$ $\displaystyle \xrightarrow{\mathrm{R-X}}$ $\displaystyle \xrightarrow{\mathrm{NaOH}}$ R—NH$\displaystyle _2$ +
(II)
$\displaystyle \mathrm{CH_3-\overset{\displaystyle O}{\overset{\displaystyle\|}{C}}-NH_2} + \mathrm{Br_2} + 4\,\mathrm{NaOH} \longrightarrow \mathrm{CH_3NH_2} + \mathrm{Na_2CO_3} + 2\,\mathrm{NaBr} + 2\,\mathrm{H_2O}$
AminesChemical Reactions of AminesApplyshort_answermedium
More from Amines
- Which of the following is least basic?2023 · asked 3×
- Which of the following molecules is chiral in nature?2025 · asked 3×
- Amines have a lone pair of electrons on nitrogen atom due to which they behave as Lewis base. Greater the…2025 · asked 3×
- The best reagent for converting propanamide into propanamine is.2025 · asked 3×
- Account for the following: (i) pk b of aniline is more than that of methylamine. (ii) Aniline does not…2022 · asked 3×
- Answer any five questions of the following: N,N-diethyl-benzenesulphonamide is insoluble in alkali. Give…2024 · asked 3×
- A compound 'X' with molecular formula C 3 H 9 N reacts with C 6 H 5 SO 2 C l to give a solid, insoluble in…2024 · asked 3×
- Which of the following molecules is chiral in nature?2026 · asked 3×
CBSE Class 12 Chemistry past-paper question from the 2022board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.