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Question

The correct order of ionic radii of the species N3,O2,Na+ and F is:


A

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B

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C

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D

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Solution

The correct option is A

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All the ions have a 2, 8 configuration. These are isoelectronic species, which differ in atomic size and atomic number. Higher the positive charge, smaller is the ionic size. Higher the negative charge, larger is the ionic size.


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