Choose the smallest ion from the following.

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Question: Answered & Verified by Expert

Choose the smallest ion from the following.

ChemistryClassification of Elements and Periodicity in PropertiesAP EAMCETAP EAMCET 2020 (17 Sep Shift 1)

Options:

A \(\mathrm{Mg}^{2+}\)
B \(\mathrm{S}^{2-}\)
C \(\mathrm{Na}^{+}\)
D \(\mathrm{Cl}^{-}\)

Solution:

1193 Upvotes Verified Answer

The correct answer is: \(\mathrm{Mg}^{2+}\)

For isoelectronic set of ions, higher the charge on cation, it will be smaller and that on anion will be larger. The order of ionic radii will be

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