The radii of F, F^-, O and O^ 2- are in the order:

JEE Main Chemistry question

The radii of F, , O and are in the order:

(A)
(B)
(C)
(D)Correct

Answer: (D)

Solution

Both and are isoelectronic with Ne (10 electrons each), but has a lower nuclear charge (8 protons vs 9 for ) pulling on the same number of electrons, so is larger than . Among the

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Question ID VK-133644