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What is the trend of basicity of the following compound??P-methyl anilineP-methoxy anilineP-nitro aniline

What is the trend of basicity of the following compound??P-methyl anilineP-methoxy anilineP-nitro aniline

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1 Answers

salman khan
57 Points
6 years ago
p-methoxy aniline > p-methyl aniline > p-nitro aniline                                                                                                                         basicity is directly proportional to the electron density.  methoxy gr. show greater +m effect than -I effect and NH_{2} show +m effect so electron density of aromatic ring increase so it is more basic. and methyl show +I  effect and NO_{2} show -M effect so it withdraw electron from ring.

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