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Chemistry - Ionic Equilibrium Question with Solution | TestHub

ChemistryIonic EquilibriumHydrolysis of SaltsMedium2 minQB

ChemistryMediumsingle choice

A weak acid HX has $K_{a} = 1.0 \times 1 0^{- 5}$ and it forms a salt NaX when treated with caustic soda. The percentage hydrolysis of a 0.1 M NaX solution is

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Answer:

Solution:

$h = \frac{K _{w}}{K _{a} \times c} = \frac{1 0 ^{- 14}}{1 0 ^{- 5} \times 0.1} = 1 0^{- 4}$ ;

Percentage $h = 1 0^{- 4} \times 100 = 0.01%$ .

Stream:JEESubject:ChemistryTopic:Ionic EquilibriumSubtopic:Hydrolysis of Salts

⏱ 2mℹ️ Source: QB

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