The alkaline earth metal nitrate that does not crystallise with water molecules, is:
A
Sr(NO3)2
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B
Mg(NO3)2
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C
Ca(NO3)2
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D
Ba(NO3)2
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Solution
The correct option is BBa(NO3)2
Smaller in size of catio more water molecules will crystallize. Due to its largest size of Ba′+ve′ ion Ba(NO3)2 doesn't crystallize with water molecules.