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NEET UG CHEMISTRY MCQ: AMINES

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CH3CH2Br→aq.KOHΔA  →KMnO4/H+ΔB→NH3ΔC→Br2alkaliD,   ′D′\mathrm{C}{\mathrm{H}_3}\mathrm{C}{\mathrm{H}_2}\mathrm{Br}\mathop {\mathop \to \limits^{aq.\mathrm{KOH}} }\limits_\Delta A\mathrm{\;}\mathop {\mathop \to \limits^{\mathrm{KMn}{\mathrm{O}_4}/{\mathrm{H}^ + }} }\limits_\Delta B\mathop {\mathop \to \limits^{\mathrm{N}{\mathrm{H}_3}} }\limits_\Delta C\mathop {\mathop \to \limits^{\mathrm{B}{\mathrm{r}_2}} }\limits_{\mathrm{alkali}} D,\,\,\,'D' is
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Correct option: C
CH3NH2\mathrm{C}{\mathrm{H}_3}\mathrm{N}{\mathrm{H}_2}
Option C (CH3NH2\mathrm{C}{\mathrm{H}_3}\mathrm{N}{\mathrm{H}_2}) is correct because the series of reactions converts ethyl bromide to ethyl alcohol, then to acetic acid, then to acetamide, and finally to methylamine via Hoffmann degradation.

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Which statement is not correct regarding aniline? The gas evolved when methyl amine reacts with nitrous acid is Diethylamine on oxidation with KMnO4\mathrm{KMn}{\mathrm{O}_4} gives: An organic amino compound reacts with aqueous nitrous acid at low temperature to produce an oily nitroso amine. The compound is Aniline was diazotised and subsequently reduced with stannous chloride and hydrochloric acid to yield: The reaction is
Ar N2+ Cl−→Cu/HCl ArCl+N2+ CuCl  Ar\,\mathop {{N_2}}\limits^ + \,C{l^ - }\xrightarrow{{Cu/HCl}}\,ArCl + {N_2} + \,CuCl\,\,
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