7.35 What is meant by the conjugate acid-base pair? Find the conjugate acid/base for the following species:

HNO2, CN, HClO4, F , OH, CO32–, and S2–

A conjugate acid-base pair is a pair that differs only by one proton.
The conjugate acid-base for the given species is mentioned in the table below.
Species Conjugate acid-base

HNO2        NO2-baseCN-         HCNacidHCIO4     CIO4-baseF-             HFacidOH-         H2Oacid/O2-baseCO32-        HCO3-acidS2-           HS-acid