s-Block ElementsHard
Question
Among LiCl, RbCl, BeCl2, MgCl2 the compounds with greatest and least ionic character respectively are :
Options
A.LiCl, RbCl
B.RbCl, BeCl2
C.RbCl, MgCl2
D.MgCl2, BeCl2
Solution
According to Fajan′s rule, smaller size of cation and higher charge density on cation favours covalent character.Large cation and small anion is having maximum ionic character
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