Easy MCQ +4 / -1 PYQ · JEE Mains 2022

BeCl2 reacts with LiAlH4 to give :

  1. A Be + Li[AlCl<sub>4</sub>] + H<sub>2</sub>
  2. B Be + AlH<sub>3</sub> + LiCl + HCl
  3. C BeH<sub>2</sub> + LiCl + AlCl<sub>3</sub> Correct answer
  4. D BeH<sub>2</sub> + Li[AlCl<sub>4</sub>]

Solution

2BeCl<sub>2</sub> + LiAlH<sub>4</sub> $\to$ 2 BeH<sub>2</sub> + LiCl + AlCl<sub>3</sub><br/><br/> The above reaction using LiAlH<sub>4</sub> is an important preparation method for production of hydrides.

About this question

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

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