Chemistry - Ionic Equilibrium Question with Solution | TestHub

ChemistryIonic EquilibriumpH of Strong and Weak Acids and BasesMedium2 minPYQ_2020

ChemistryMediumsingle choice

$HCl$ was passed through a solution of ${CaCl}_{2}$ , ${MgCl}_{2}$ and $NaCl$ . Which of the following compound(s) crystallise(s)?NEET 2020 (Phase 1)

Options:

Answer:

Solution:

When $HCl$ is passed thorugh the mixture ${Cl}^{-}$ ion concentration increases. Hence ionic product $[{Na}^{+}] [{Cl}^{-}]$
becomes more than solubility product. So $NaCl$ will precipitate out.
Filtrate $\overset{HCl gas passed}{\to}$ pure $NaCl$ precipitation (common ion effect)

Stream:NEETSubject:ChemistryTopic:Ionic EquilibriumSubtopic:pH of Strong and Weak Acids and Bases

⏱ 2mℹ️ Source: PYQ_2020

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