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Q.
Which of the following represents correct order of increasing solubilities?
The s-Block Elements
Solution:
Carbonates of alkaline earth metals are sparingly soluble whereas bicarbonates of alkali metals are highly soluble and their solubility increase down the group. Hence order of solubility of given compound is
$CaCO_3 < \, NaHCO_3 < \,KHCO_3 $.