Figure 1. Plot of Hammett ρ versus number of atoms (m0) between ioniable hydrogen and the ring carbon atom

From

Attenuation Effect in Twenty One Different Proton Dissociation Equilibriums Brought on One Rope: A Chemical Education Tool for Evaluation of pKa of Proton Dissociation Equilibrium of Any Substituted Benzene (XC6H5)

R. Sanjeev, V. Jagannadham

World Journal of Chemical Education. 2020, 8(2), 61-66 doi:10.12691/wjce-8-2-1