MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryIonic equilibriumPrevious Year Questions
If 0.1 M of a weak acid is taken and its percentage of degree of ionization is 1.34%, then its ionization constant will be (AFMC 2005)
A.0.8 ×10–5
B.1.79 ×10–5✓ Correct
C.0.182 ×10–5
D.1×10–5
Explanation
According to Ostwald dilution law for any weak acid- 2 a a 2 2 a 5 a K Cα /1 α α= K /C K 0.1 (1.34 10 ) K 1.79 10 x x x
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