Classification Of Elements And Periodicity In Properties Ques 39
Question: The decreasing order of size of isoelectronic series $ {{K}^{+}},C{{a}^{2+}},C{{l}^{-}} $ and $ {{S}^{2-}} $ is [Roorkee 1995]
Options:
A) $ {{K}^{+}}>C{{a}^{2+}}>{{S}^{2-}}>C{{l}^{-}} $
B) $ {{K}^{+}}>C{{a}^{2+}}>C{{l}^{-}}>{{S}^{2-}} $
C) $ C{{a}^{2+}}>{{K}^{+}}>C{{l}^{-}}>{{S}^{2-}} $
D) $ {{S}^{2-}}>C{{l}^{-}}>{{K}^{+}}>C{{a}^{2+}} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ {{S}^{2-}}>C{{l}^{-}}>{{K}^{+}}>C{{a}^{2+}} $
