The first ionization potentials $(\mathrm{eV})$ of ${N}$ and ${O}$ respectively are

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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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The first ionization potentials

(\mathrm{eV})

{N}

and

{O}

respectively are

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Correct option: D

11.32,8.21

Option D (11.32, 8.21) is correct because Nitrogen has a half-filled p-orbital configuration, making it more stable and requiring more energy for ionization than Oxygen.

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