S Block Elements Question 93
Question: In crystals which one of the following ionic compounds would you expect maximum distance between centres of cations and anions-
Options:
A) $ LiF $
B) $ CsF $
C) $ CsI $
D) $ LiI $
Show Answer
Answer:
Correct Answer: C
Solution:
[c] As $ C{{s}^{+}} $ ion has larger size than $ L{{i}^{+}} $ and $ {{I}^{-}} $ has larger size than $ {{F}^{-}}, $ therefore maximum distance between centres of cations and anions is in $ CsI $ .
BETA
