Medium MCQ +4 / -1 PYQ · JEE Mains 2021

Given below are two statements :

Statement I : Both CaCl2 . 6H2O and MgCl2 . 8H2O undergo dehydration on heating.

Statement II : BeO is amphoteric whereas the oxides of other elements in the same group are acidic.

In the light of the above statements, choose the correct answer from the options given below :

  1. A Both statement I and statement II are false Correct answer
  2. B Statement I is false but statement II is true
  3. C Statement I is true but statement II is false
  4. D Both statement I and statement II are true

Solution

CaCl<sub>2</sub>.6H<sub>2</sub>O $\buildrel \Delta \over \longrightarrow$ CaCl<sub>2</sub> + 6H<sub>2</sub>O<br><br> MgCl<sub>2</sub>.6H<sub>2</sub>O $\buildrel \Delta \over \longrightarrow$ MgCl(OH) + H<sub>2</sub>O<br><br> Among alkaline earth metal BeO is amphoteric &amp; rest are basic oxide

About this question

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

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