Question

In which pair the first atom or ion is not larger than the second :-

• A. $N,F$
• B. $C{l}^{-},Cl$
• C. $O,S$
• D. $F{e}^{2+},F{e}^{3+}$

Answer 1

Answer: (C)

(i) $N>F$
(ii) $C{l}^{-}>Cl$
(iii) $O<S$
(iv) $F{e}^{+2}>F{e}^{+3}$