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Among CaH(2),BeH(2),BaH(2), the order of...

Among `CaH_(2),BeH_(2),BaH_(2),` the order of ionic character is

A

`BeH_(2) lt CaH_(2) lt BaH_(3)`

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
Smaller the size of cation, more will be its polarizing power. Hence, `BeH_(2)` is least ionic.
`BeH_(2)ltCaH_(2)ltBaH_(2)`
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