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Question

Equimolar solutions of the following were prepared in water separately. Which one of the following solutions records the highest $$pH$$?


A
MgCl2
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B
CaCl2
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C
SrCl2
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D
BaCl2
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Solution

The correct option is C $$BaCl_{2}$$
As the size of the cation is increased down the group among alkaline earth metal, basicity is increased (base has more value on ph scale)  as barium is at bottom of the periodic table, in alkaline earth metals.
$$BaCl_2$$ is more basic.

Chemistry

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