NEET UG CHEMISTRY MCQ: AMINES

1 Hard

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Application +4 | -1

How many of the following compounds can be methylated by diazomethane ?

\mathrm{C}_2 \mathrm{H}_5 \mathrm{COOH}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{NH}_2, \mathrm{C}_6 \mathrm{H}_5 \mathrm{OH}

and

\mathrm{CH}_3 \mathrm{COCH}_2 \mathrm{COOC}_2 \mathrm{H}_5

View answer and explanation

Correct option: A

3

Option A (3) is correct because carboxylic acids, phenols, and compounds with active methylene groups can be methylated by diazomethane.

More Questions from AMINES

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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\,\,