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The correct order of radii is a. N b. F – c. Na d. Fe3+

The correct order of radii is
a. N < Be < B
b. F – < O2- < N3-
c. Na < Li < K
d. Fe3+ < Fe2+ < Fe4+

Grade:11

1 Answers

Kevin Nash
askIITians Faculty 332 Points
8 years ago
Sol. Among isoelectronic species, greater the negative charge, greater the ionic size hence F– < O2– < N3–

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