JEE PYQ: S Block Elements Question 30
Question 30 - 2019 (09 Jan Shift 1)
The alkaline earth metal nitrate that does not crystallise with water molecules, is:
(a) $\text{Mg(NO}_3)_2$ (b) $\text{Sr(NO}_3)_2$ (c) $\text{Ca(NO}_3)_2$ (d) $\text{Ba(NO}_3)_2$
Show Answer
Answer: (d)
Solution
The chances of formation of hydrate decreases with the decrease in the charge density down the group. This is why $\text{Ba(NO}_3)_2$ does not crystallise with water molecules.
BETA
