MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumPrevious Year Questions
Among the following the strongest conjugate base is (DUMET 2009) (a) NO
B.Cl
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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