Which one of the following ions has the highest value of ionic radius?
Which one of the following ions has the highest value of ionic radius?
A. `Li^(+)`
B. `B^(3+)`
C. `O^(2-)`
D. `F^-`
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Correct Answer - C
`O^(2-)` has the highest value of ionic radius as this can be explained on the basis of `z//e=[("nuclear charge")/("no . of electrons")]` when z/e ratio no. of electrons increases, the size decreases and when z/e ratio decreases, the size increases
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