In which of the following species ${2^{nd}}I.E{\rm{ }} < {\rm{ }}{1^{st}}I.E$

JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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In which of the following species

{2^{nd}}I.E\mathrm{ } < \mathrm{ }{1^{st}}I.E

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Correct option: D

None

Option D (None) is correct because the second ionization energy is always greater than the first ionization energy for any element or ion.

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X

X

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

\mathrm{F}^{-}