Equilibrium - Result Question 77

####81. Equimolar solutions of the following substances were prepared separately. Which one of these will record the highest pH value?

[2012]

(a) BaCl2

(c) LiCl

(b) AlCl3

(d) BeCl2

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Solution:

  1. (a) Misplaced & all these solutions are acidic due to cationic hydrolysis, whereas BaCl2, is salt of strong base (Ba(OH)2) and strong acid (HCl), hence it will have maximum pH.


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