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Which of the following orders regarding the basic strength of substituted aniline is correct

$ \begin{array}{1 1}(a)\;\text{P-nitroaniline < P-bromo aniline < P-amino benzaldehyde}\\(b)\;\text{P-nitro aniline > P-amino benzaldehyde < P-bromo aniline}\\(c)\;\text{P-methyl aniline > P-chloroaniline > P-amino aceto phenone}\\(d)\;\text{P-amino acetophenone > P-chloroaniline > p-methyl aniline}\end{array}$

1 Answer

Electron -releasing group increases basicity of aniline while electron-with drawing group decreases the basicity.
The correct order of basicity is
P-methyl aniline > P-chloroaniline > P-amino aceto phenone
Hence (c) is the correct answer.
answered Mar 3, 2014 by sreemathi.v