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Reaction of BeCl 2 with LiAlH 4 gives : (A) AlCl 3 (B) BeH 2 (C) LiH (D) LiCl (E) BeAlH 4 Choose the correct answer from options given below

Options

  1. AA , D   &   E
  2. BA , B   &   D
  3. CD   &   E
  4. DB , C   &   D

Correct answer

B. A , B   &   D

Step-by-step solution

All the alkali earth metals, except beryllium combine with hydrogen upon heating to form their hydrides,   MH 2 . BeH 2 , however, can be prepared by the reaction of BeCl 2 with LiAlH 4 . . 2 BeCl 2 + LiAlH 4 → 2 BeH 2 + LiCl + AlCl 3

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