NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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In which one of the following pairs the radius of the second species is greater than that of the first?

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Correct option: B

{\mathrm{O}^{2 - }},{\mathrm{N}^{3 - }}

Option B (

{\mathrm{O}^{2 - }},{\mathrm{N}^{3 - }}

) is correct because for isoelectronic species, the species with fewer protons has a larger radius.

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