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MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryIonic equilibriumPrevious Year Questions

Equimolar  solutions  of  the  following  substances  were prepared separately. Which one of these will record the highest pH value? (AIPMT 2012)

A.BaCl2✓ Correct
B.AlCl3
C.LiCl
D.BeCl2
Explanation

BaCl2 is made up of Ba(OH)2 and HCl. AlCl3 is made up of Al (OH)3 and HCl. LiCl is made up of LiOH and HCl. BeCl2 is made up of Be(OH)2 and HCl. Ba(OH)2 is strongest base among the given options thus have maximum pH.

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