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

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Application +4 | -1

Which of the following combinations contain only iso electronic ions

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Correct option: C

{P^{3 - }},{S^{2 - }},C{l^ - },Ar

Option C (

{P^{3 - }},{S^{2 - }},C{l^ - },Ar

) is correct because all the ions and the atom have 18 electrons each, making them isoelectronic.

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