MEDIUMMCQ SINGLENEET ChemistryPhysical ChemistryIonic equilibriumSalt Hydrolysis

When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipitated because

A.HCl is highly ionised in solution

B.HCl is highly soluble in water

C.the solubility product of NaCl is lowered by HCl

D.The ionic product of [Na+] [Cl–] exceeds the✓ Correct

Explanation

We know that- NaCl Na Cl HCl H Cl -> -> On passing HCl, the concentration of chloride ions on product side increases. Therefore, to attain IONIC EQUILIBRIUM 46 equilibrium, the reaction proceeds in backward direction. Hence, the ionic product exceeds the solubility product of sodium chloride and, therefore, pure sodium chloride precipitates out from the solution.

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