Why aniline appears red in colour on standing in air for a long time? – InterviewSolution

1.	Why aniline appears red in colour on standing in air for a long time?
Answer» Solution :Due to strong +R effect of `NH_2` group, the ELECTRON density on the BENZENE ring increases. As a result, aniline is easily oxidised on standing in air for a long TIME to form COLOURED products.

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