MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryPeriodic PropertiesAtomic radius

In which of the following pair, both the species are isoelectronic but first one is large in size than the second?

A.S2–, O2–
B.Cl–, S2–
C.F–, Na+✓ Correct
D.N3–, P3–
Explanation

(a), (d) are not isoelectronic, (b), (c)  are isoelectronic and size of F- > Na+, so correct option is (c)

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