A) LiCI
B) LiF
C) LiBr
D) Lil
Correct Answer: D
Solution :
The magnitude of polarised or increased covalent character depends upon a number of factors. These factors are (a) Small size of cation: Smallest size of cation greater is its covalent character. (b) Large size of anion: Larger the size of anion greater is its covalent character. (c) Large charge on either of the two ions: As the charge on the ion increases, the covalent character increases. Hence, In Lil, due to larger size I", Lil is more covalent.
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