MEDIUMMCQ SINGLEJEE Advanced ChemistryPhysical ChemistryIonic equilibriumTheory of Acids and Bases
The conjugate base of a weak acid is
A.a strong base✓ Correct
B.a weak base
C.a neutral specie
D.may be a weak or strong base.
Explanation
The strength of acid can be measured by its ability to lose a proton. A strong acid completely ionizes in water while the weak acids partially dissociates and forms equilibrium with both the acid and conjugate base in the solution. For e.g. Acetic acid is a weak acid because it dissociates partially and establishes equilibrium with its conjugate base. 3 3 CH COOH CH COO H Strong conjugate base has a weak acid. Since 3 CH COOH is weak acid, therefore its conjugate base is strong.
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