Chemistry - Ionic Equilibrium Question with Solution | TestHub

ChemistryIonic EquilibriumTitration Based ProblemsEasy2 minQB

ChemistryEasysingle choice

The range of most suitable indicator which should be used for titration of $X^{-} Na^{+} (0.1 M, 10 ml)$ with

0.1 M HCl should be (Given: $K_{b (X^{-})} = 1 0^{- 6}$ )

Answer:

Solution:

$X^{-}$ is a weak base. At equivalence point, solution contains $H X$ .

pH at equivalence point = $\frac{1}{2} [p K_{w} - p K_{b} - l o g C]$ = 4. The suitable range is 3-5.

Stream:JEESubject:ChemistryTopic:Ionic EquilibriumSubtopic:Titration Based Problems

⏱ 2mℹ️ Source: QB

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