Classification Of Elements And Periodicity In Properties Ques 8
Question: Which of the following is largest [CBSE PMT 1996]
Options:
A) $ C{{l}^{-}} $
B) $ {{S}^{2-}} $
C) $ N{{a}^{+}} $
D) $ {{F}^{-}} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ {{S}^{2-}} $ and $ C{{l}^{-}} $ both are isoelectronic but nuclear charge of $ C{{l}^{-}} $ is more than $ {{S}^{2-}} $ . So it has largest size.
