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MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryIonic equilibriumSalt Hydrolysis

The  pH  of  0.1  M  solution  of  the  following  salts increases in the order :

A.NaCl < NH4Cl < NaCN < HCl
B.HCl < NH4Cl < NaCl < NaCN✓ Correct
C.NaCN < NH4Cl < NaCl < HCl
D.HCl < NaCl < NaCN < NH4Cl.
Explanation

NaCl; Neutral solution; pH = 7 4 NH Cl ; Cation undergoes hydrolysis; pH less than 7 NaCN; anion undergoes hydrolysis; pH greater than 7 HCl; strong acid Thus, pH in increasing order 4 HCl < NH Cl < NaCl < NaCN ->

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