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Ionic nature of groupIIA hydrides is :...

Ionic nature of groupIIA hydrides is :

A

`BeH_(2) gt MgH_(2) gt CaH_(2) gt SrH_(2) gt BaH_(2)`

B

`BeH_(2) lt MgH_(2) lt CaH_(2) lt SrH_(2) lt BaH_(2)`

C

`BeH_(2) gt MgH_(2) lt CaH_(2) lt SrH_(2) lt BaH_(2)`

D

None of these

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