Easy MCQ +4 / -1 PYQ · JEE Mains 2020

Among the sulphates of alkaline earth metals, the solubilities of BeSO4 and MgSO4 in water, respectively, are :

  1. A poor and poor
  2. B poor and high
  3. C high and poor
  4. D high and high Correct answer

Solution

Order of solubility of sulphate of Alkaline earth metals <br><br>BeSO<sub>4</sub> &gt; MgSO<sub>4</sub> &gt; CaSO<sub>4</sub> &gt; SrSO<sub>4</sub> &gt; BaSO<sub>4</sub> <br><br>The greater hydration enthalpies of Be<sup>2+</sup> and Mg<sup>2+</sup> ions dominate over their lattice enthalpies and therefore their sulphates are highly soluble.

About this question

Subject: Chemistry · Chapter: s-Block Elements · Topic: Alkali Metals

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