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Lithium hydride can be used to prepare other useful hydrides. Beryllium hydride is one of them. Suggest a route for the preparation of beryllium hydride starting from lithium hydride. Write chemical equations involved in the process.

0 4 Views | Posted 5 months ago
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    Answered by

    Payal Gupta | Contributor-Level 10

    5 months ago

    This is a long answer type question as classified in NCERT Exemplar

    Beryllium being least reactive does not form hydride by direct heating with dihydrogen. It is prepared by reacting it with lithium aluminum hydride. The reactions are shown below.

    8LiH + Al2Cl6→2LiAlH4+6LiCl

    2BeCl2+LiAlH4→2BeH2+LiCl+AlCl3

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