1.

The radii of \[F,\,{{F}^{-}},\,O\] and \[{{O}^{-2}}\] are in the order of [AIIMS 1999; CPMT 1999]

A. \[{{O}^{2-}}>{{F}^{-}}>O>F\]
B. \[{{O}^{2-}}>{{F}^{-}}>F>O\]
C. \[{{F}^{-}}>{{O}^{2-}}>F>O\]
D. \[{{O}^{2-}}>O>{{F}^{-}}>F\]
Answer» B. \[{{O}^{2-}}>{{F}^{-}}>F>O\]


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