The heats of hydration of the dipositive alkaline earth metal ions decrease with an increase in their ionic size
B
`NaNO_(3)` forms `Na_(2)O_(2)` on heating
C
Hydration of alkali metal ion is less than that of IIA group
D
Alkaline earth metal ions, because of their much larger charge to size ratio, exert much stronger electrostatic attraction on the oxygen of water molecule surrounding them
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The correct Answer is:
B
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