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Arrange the following ions in order of t...

Arrange the following ions in order of their inceasing radii : `Na^(+) , Mg^(2+) , K^(+) , Al^(3+)`

A

`Na^(+) gt Al^(3+) gt Mg^(2+) gt K^(+)`

B

`Mg^(2+) lt Al^(3+) lt Na^(+) lt K^(+)`

C

`Al^(3+) lt Mg^(2+) lt Na^(+) lt K^(+)`

D

`Na^(+) lt K^(+) lt Mg^(2+) lt Al^(3+)`

Text Solution

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The correct Answer is:
C
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