Questions
Which of the following elements does not form hydride by direct heating with dihydrogen?
a
Be
b
Mg
c
Sr
d
Ba
detailed solution
Correct option is A
Except Be, all alkaline earth metals form hydrides(MH2) on directly heating with H2.BeH2 cannot be prepared by direct action of H2 on Be. It is prepared by the action of LiAl H4 on BeCl2.2BeCl2+LiAlH4⟶2BeH2+LiCl+AlCl3Talk to our academic expert!
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Some of the group IIA metal halides are covalent and soluble in organic solvents. Among the following metal halides, the one which is soluble in ethanol Highest extent
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