Chemical Bonding And Molecular Structure Question 420
Question: Amongst $ LiCl $ , $ RbCl $ , $ BeCl_2 $ , and $ MgC_2 $ , the compounds with the greatest and the least ionic character, respectively are:
Options:
A) $ LiCl $ and $ RbCl $
B) $ RbCl $ and $ BeCl_2 $ ,
C) $ MgCl_2 $ and $ BeCl_2 $
D) $ RbCl $ and $ MgCl_2 $
Show Answer
Answer:
Correct Answer: B
Solution:
- According to Fajan’s rule smaller, highly charged cation has greatest covalent character while large cation with smaller charge has greatest ionic character.