A) 1.36, 1.40 and 1.71
B) 1.36, 1.71 and 1.40
C) 1.71, 1.40 and 1.36
D) 1.71, 1.36 and 1.40
Correct Answer: C
Solution :
[c] These are isoelectronic species. Size of isoelectronic species. \[\propto 1/Z\]\[{{N}^{3-}}\] | \[{{O}^{2-}}\] | \[{{F}^{-}}\] | |
Z | 7 | 8 | 9 |
\[n{{e}^{-}}\] | 10 | 10 | 10 |
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