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what do you mean by acidity constant? on the basis of acidity constant how can we predict that acid is weak or strong, in comprison study only?


 

8 years ago

Answers : (1)

Sunil Kumar FP
askIITians Faculty
183 Points
							An acid dissociation constant, Ka, (also known as acidity constant, or acid-ionization constant) is a quantitative measure of the strength of an acid in solution. Each acid has a different pKa. It is the equilibrium constant for a chemical reaction known as dissociation in the context of acid-base reactions. The larger the Ka value, the more dissociation of the molecules in solution and thus the stronger the acid.
the reaction is
HA ===>H+ +A -
Ka =[H+][A-]/[HA]
5 years ago
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