JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Understanding +4 | -1

Statement I: Ionic radius of

\mathrm{O}^{2-}

is greater than

\mathrm{F}^{-}.

Statement II:

\mathrm{O}^{2-}

and

\mathrm{F}^{-}

are isoelectronic species.

In light of the above statements, choose the correct answer from the options given below

View answer and explanation

Correct option: A

Both Statement I and Statement II are correct

Option A (Both Statement I and Statement II are correct) is correct because

\mathrm{O}^{2-}

and

\mathrm{F}^{-}

are isoelectronic, and

\mathrm{O}^{2-}

has a lower effective nuclear charge, resulting in a larger ionic radius.

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