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  4. What according to Fajans rules leads to increased ionic character?

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Q. What according to Fajans rules leads to increased ionic character?

Punjab PMETPunjab PMET 2010Chemical Bonding and Molecular Structure

Solution:

According to Fajans rule small cation, high charge on cation and large anion lead to increased covalent character or inversely we can say large cation, small charge on cation and small anion leads to increased ionic character.