Easy MCQ +4 / -1 PYQ · JEE Mains 2022

Which one of the following alkaline earth metal ions has the highest ionic mobility in its aqueous solution?

  1. A Be<sup>2+</sup>
  2. B Mg<sup>2+</sup>
  3. C Ca<sup>2+</sup>
  4. D Sr<sup>2+</sup> Correct answer

Solution

In aqueous solution, the ionic mobility is inversely proportional to the charge density on the ion. Hence Sr<sup>2+</sup> has highest ionic mobility in water.

About this question

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

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