Q. Conjugate acid-base pair differ by

 2129  185 MHT CETMHT CET 2010 Report Error

Solution:

According to Bronsted-Lowry concept, after losing a proton, acids convert into conjugate base and after gaining a proton, bases convert into their conjugate acid, ie,

Acid conjugate base

Base conjugate acid

Thus, conjugate acid-base pair is differ by proton