JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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The radii of

\mathrm{F}_2 \mathrm{~F}^{-}, \mathrm{O}

and

\mathrm{O}^{2-}

are in the order

View answer and explanation

Correct option: D

\mathrm{O}^{2-}>\mathrm{F}^{-}>\mathrm{O}>\mathrm{F}

The correct answer is D (

\mathrm{O}^{2-}>\mathrm{F}^{-}>\mathrm{O}>\mathrm{F}

) because ionic radius increases with negative charge and decreases across a period.

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\mathrm{O}, \mathrm{O}^{2-}, \mathrm{F}

\mathrm{F}^{-}