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.


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