NCERT Class XI Chemistry Equilibrium Solutions

Question : 35

Total: 73

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–

Solution:

Conjugate acid-base pair : The pairs of acids and bases which are formed from each other by the gain or loss of a proton are called conjugate acid-base pairs.

Species	Conjugate acid	Conjugate base
HNO2	-	NO2−
CN−	HCN	-
HClO4	-	ClO4−
F−	HF	-
OH−	H2O	O2−
CO32−	HCO3−	-
S2−	HS−;	-

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