Which of the followingg elements does not form hydride by direct heati

1.	Which of the followingg elements does not form hydride by direct heating with dihydrogen?
Answer» `Be` Mg Sr Ba Solution :All the elements except BERYLLIUM COMBINE with hydrogenn upon heating to FORM their HYDRIDES, `NH_(2)`. `BeH_(2)`, HOWEVER, can be prepared by the reaction of `BeCl_(2)` with `LiAlH_(4)`. `2BeCl_(2)+LiAlH_(4) to 2BeH_(2)+LiCl+AlCl_(3)`.

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