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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_(2)`

B

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

C

`BeH_(2) lt HaH_(2) lt CaH_(2)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
Down a group metallic character increases. Thus ionic character of the metal hydride increases down the group. Hence least ionic compound is `BeH_(2)`.
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CHHAYA PUBLICATION-CLASSIFICATION OF ELEMENTS & PERIODICITY IN PROPERTIES-ENTRANCE QUESTION BANK
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  16. Among CaH(2),BeH(2),BaH(2), the order of ionic character is-

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  17. Which of the following is most acidic?

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