A) 1.36, 1.40, 1.71
B) 1.36, 1.71, 1.40
C) 1.71, 1.40, 1.36
D) 1.71, 1.36, 1.40
Correct Answer: C
Solution :
[c] 1.71,1.40,1.36 Like covalent radii, the ionic radii of anions also increase as moving down the group due to increase in number of shell.In \[\overset{{}^\circ }{\mathop{A}}\,\] | |
lonid radii | anion |
1.36 | \[F-\] |
1.81 | \[C{{l}^{-}}\] |
1.96 | \[Br\] |
2.19 | \[{{I}^{-}}\] |
1.42 | \[{{O}^{2\,-}}\] |
1.84 | \[{{S}^{2-}}\] |
1.71 | \[{{N}^{3-}}\] |
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