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The set representing the right order of ...

The set representing the right order of ionic radius is

A

` Li^+ gt Na^+ gt Mg^2+ gt Be^2+`

B

`Mg^2+ gt Be^2+ gt Li^+ gt Na^+`

C

`Na^+ gt Mg^2+ gt Li^+ gt Be^2+`

D

`Na^+ gt Li^+ gt Mg^2+ gt Be^2+`

Text Solution

Verified by Experts

The correct Answer is:
D
Answer(4) ionic radius decreases when charge on caption increases. `therefore Na^+ gt Li^+ gt Mg^2+ gt Be^2+`
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