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(D) The ionic character of a compound depends on the electronegativity difference between the bonded atoms. According to Fajan's rule,as the size of t

Vedclass · Accepted Answer

$CsCl > RbCl > NaCl$

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(D) The ionic character of a compound depends on the electronegativity difference between the bonded atoms. According to Fajan's rule,as the size of the cation increases,the polarizing power decreases,leading to an increase in ionic character. For the compounds $NaCl$,$RbCl$,and $CsCl$,the anion $(Cl^-)$ is the same. The ionic character increases as the size of the alkali metal cation increases $(Na^+ Therefore,the correct order of ionic character is $NaCl  RbCl > NaCl$.

Which of the following represents the correct order of ionic character?

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