Equimolar solutions of the following were prepared in water separately. Which one of the solutions will record the highest pH ?
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a
BaCl2
b
MgCl2
c
CaCl2
d
SrCl2
answer is A.
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Detailed Solution
The pH of salt BaCl2 > 7, whereas SrCl2 and CaCl2 = 7 and MgCl2 < 7.Since The bases present in these salts are hydroxides of group2 and the basic nature of hydroxides of group 2 increases down the group.