The ionic radii (in ∘A) of N3−,O2−,F− are respectively:
A
1.36, 1.40 and 1.71
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B
1.36, 1.71 and 1.40
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C
1.71, 1.40 and 1.36
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D
1.71, 1.36 and 1.40
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Solution
The correct option is C 1.71, 1.40 and 1.36 The species given are isoelectronic to each other. So, as the negative charge increases, the ionic radius also increases.