Among CaH_2, BeH_2, BaH_2the order of ionic character is :

1.	Among CaH_2, BeH_2, BaH_2the order of ionic character is :
Answer» `BaH_2 lt BeH_2 lt CaH_2` `BeH_2 lt CaH_2 lt BaH_2` `BeH_2 ltBaH_2 lt CaH_2` `CaH_2 lt BeH_2 lt BaH_2` Solution :Be, Ca and BA all are belongs to second GROUP. So their ELECTRONEGATIVITY decreases, Atomic radius INCREASES and therefore ionic character increases.

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