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Which of the following elements does not...

Which of the following elements does not form hydride by direct heating with dihydrogen ?

A

Be

B

Mg

C

Sr

D

Ba

Text Solution

Verified by Experts

The correct Answer is:
A
Except Be, all alkaline earth metals form hydrides `(MH_(2))` on directly heating with `H_(2).BeH_(2)` can.t be prepared by direct action of `H_(2)` on Be. It is prepared by the action of `LiAlH_(4)` on `BeCl_(2)`
`2BeCl_(2)+LiAlH_(4)to2BeH_(2)+LiCl+AlCl_(3)`.
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