Arrange in increasing order of size: Na⁺, Mg²⁺, Al³⁺, F⁻, O²⁻, C⁴⁻. Given reason.
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according to the periodic table of elements
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For Na
+
,Mg
2+
,F
−
and O
2−
the correct order of increasing ionic radii is :
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Solution to Question ID 868158
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Answer
Correct option is
B
Mg
2+
<Na
+
<F
−
<O
2−
All the species are iso-electronic (10e
−
)
For iso-electronic species more the positive change, smaller the ionic radii.
For iso-electronic species more negative change, bigger the ionic radii
Hence the order is Mg
2+
<Na
+
<F
−
<O
2−
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