Chemistry - Ionic Equilibrium Question with Solution | TestHub

ChemistryIonic EquilibriumMiscellaneous/MixedMedium2 minQB

ChemistryMediumsingle choice

If $pK_{a} = - lo g K_{a} = 4$ and $K_{a} = C x^{2}$ then van't Hoff factor for weak monobasic acid when $C =$ 0.01 M is :

Answer:

Solution:

$K_{a} = C x^{2}$

$1 0^{- 4} = 1 0^{- 2} \times x^{2}$

$x = 0.1$

$i = 1 + x = 1.1$

Stream:JEESubject:ChemistryTopic:Ionic EquilibriumSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: QB

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