Question
Question: Among LiCl, RbCl, BeCl2, MgCl2 the compounds with greatest and least ionic character respectively ar...
Among LiCl, RbCl, BeCl2, MgCl2 the compounds with greatest and least ionic character respectively are:
A
LiCl, RbCl
B
RbCl, BeCl2
C
RbCl, MgCl2
D
MgCl2, BeCl2
Answer
RbCl, BeCl2
Explanation
Solution
According to Fajan's rule, smaller size of cation and higher charge density on cation favours covalent character