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| 1. |
Arrange the following in order of their increasing basicity: p-toluidine, N,N-dimethyl-p-toluidine, p-nitroniline, aniline. |
| Answer» SOLUTION :Electron-donating groups i.e., ALKYL groups in the RING and on the N-atom increase the basicity while electron-withdrawing groups such as nitro group in the ring decrease the basicity. Thus, the basicity of the given amines INCREASES in the order : p-nitroanilineltanilineltp-toluidineltN,N-dimethyl-p-toluidine. | |