NEET UG CHEMISTRY MCQ: AMINES

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Which reacts with Heinsberg’s reagent and gives a compound insoluble in NaOH due to lack of acidic hydrogen is

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Correct option: C

N-Methyl aniline

Option C (N-Methyl aniline) is correct because it reacts with Hinsberg's reagent to form a sulfonamide that has one acidic hydrogen, which reacts with NaOH to become soluble. N,N-dimethyl aniline does not have any acidic hydrogen.

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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

\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\,\mathop {{N_2}}\limits^ + \,C{l^ - }\xrightarrow{{Cu/HCl}}\,ArCl + {N_2} + \,CuCl\,\,