The alkaline earth metal nitrate that does not crystallise with water

1.	The alkaline earth metal nitrate that does not crystallise with water molecules, is....
Answer» `Ba(NO_(3))_(2)` `Ca(NO_(3))_(2)` `Mg(NO_(3))_(2)` `Sr(NO_(3))_(2)` SOLUTION :Down the group as the CHARGE density DECREASES so chances of formation of hydrate decreases. So, `Ba(NO_(3))_(2)` does not CRYSTALLISE with water molecules.

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