Which of the following will accept H+from NH+4 ion?
A
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B
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C
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D
CH3−CH2−NH2
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Solution
The correct option is D CH3−CH2−NH2 The aniline and pyrrole are less basic than aliphatic amines because lone pair of nitrogen in aromatic amines are involved in resonance so it can't accept H+from NH+4 ion.
Ethanamine has localised lone pair electron on N thus it can accept H+from NH+4 ion. Hence option d is correct.