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Question

The radii of F,F,O and O2 are in the order of


A

O2->F->O>F

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B

O2->F->F>O

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C

F->O2->F>O

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D

O2->O>F->F

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Solution

The correct option is B

O2->F->O>F


Atomic radius decreases on going from left to right in a period. Thus size of O>F. As O2 and F are isoelectronic, therefore, size of O2>F


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