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Among N^(-3) , O^(-2) , Mg^(+2) and Al^...

Among `N^(-3) , O^(-2) , Mg^(+2)` and `Al^(+3)`
(a) What is common in them. (b) Arrange them in the increasing ionic radii

Text Solution

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The correct Answer is:
Iso electronic species `Al^(3+) lt Mg^(2+) lt O^(2-) lt N^(3-)`
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