A) \[LiCl\]
B) \[LiF\]
C) \[LiBr\]
D) \[LiI\]
Correct Answer: D
Solution :
The magnitude of polarised or increased covalent character depends upon a number of factors. These factors are 1. Small size of cation: Smaller the size of cation, greater is its covalent character. 2. Large size of anion: Larger the size of anion, greater is its covalent character. 3. Large charge on either of the two ions: As the charge on the ion increases, the covalent character increases. Hence, In LiI, due to larger size\[{{\text{I}}^{-}},\] LiI is more covalent.
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