Question

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

Class XI Equilibrium Page 228

Answer 1

concept :- an acid-base pair differ by a proton is known as conjugate acid-base pair.
e.g, acid - H+ ---> conjugate base
Base + H+ ----> conjugate acid.

HNO2 (acid) <=> H+ + NO2-(conjugate base)

CN-(base) + H+ <=> HCN(conjugate acid)

HClO4 (acid) <=> HClO3-(conjugate base) + H+

F-(base) + H+ <=> HF(conjugate acid)

OH-(base) + H+ <=> H2O(conjugate acid)

CO3²-(base) + H+ <=> HCO3-(conjugate acid)

S²-(base) + H+ <=> HS-(conjugate acid)

Answer 2

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