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Question

In the iso electronic species the ionic radii (AO) of N3, O2, F are respectively given by


A

1.36, 1.40, 1.71

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B

1.36, 1.71, 1.40

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C

1.71, 1.40, 1.36

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D

1.71, 1.36, 1.40

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Solution

The correct option is C

1.71, 1.40, 1.36


N3, O2, F have 8 electrons in the outermost shell,so they are isoelectronic.

And we know that more the negative charge, larger the size among iso electronic species.

Hence , C is the correct option.


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