MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumSalt Hydrolysis
0.1 M solution of which one of these substances will react basic ?
A.Sodium borate✓ Correct
B.Ammonium chloride
C.Calcium nitrate
D.Sodium sulphate.
Explanation
Sodium borate is a salt of weak acid and strong base. Therefore, its aqueous solution is strongly basic i.e. pH >7. Sodium sulphate consists of strong acid and strong base hence its aqueous solution will be neutral i.e. pH=7. Calcium nitrate consists of strong acid and strong base hence its aqueous solution will be neutral i.e. pH=7. Ammonium chloride is salt of weak base and strong acid; hence its aqueous solution will be strongly acidic i.e. pH<7. Solubility and Solubility Product
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