I Have A Doubt in my home work in chemistry : Arrange The Following In Increasing Order Of Covalent Character : CaF2 ; CaBr2 ; CaI2 ; CaCl2 Please Help Me Answer This
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Answer:
CaF2>Cacl2>CaBr2>Cal2
Explanation:
Cation is same in all case while anions are different.
According to Fajans rule, the larger the size of the anion, greater is the covalent character of the ionic bond.
As covalent character increases, melting point decreases .
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