JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Analyzing +4 | -1

The incorrect order of the radii of the species is

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Correct option: D

C{l^ - } < {K^ + } < C{a^{2 + }}

Option D (

C{l^ - } < {K^ + } < C{a^{2 + }}

) is correct because it is the incorrect order of ionic radii; in isoelectronic species, size decreases with increasing nuclear charge.

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