Resonance structures of aniline are shown below Considering the above structures, it can be concluded that

Options

1. A60 % of the molecules of aniline exist as structures II, III and IV.
2. BIn aniline, the N -atom carries one unit positive charge.
3. CAniline has dipole moment with the N -atom as the positive end.
4. DThe meta position of aniline is electron deficient in comparison to benzene.