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Solution


Q.

Amongst the following which one will have maximum lone pair–lone pair electron repulsions         [2022]
1 ClF3  
2 IF5  
3 SF4  
4 XeF2  

Ans.

(4)

ClF3,IF5,SF4 and XeF2 contain 2, 1, 1 and 3 lone pairs of electrons on the central atom respectively. Hence, XeF2 has maximum lone pair - lone pair repulsions.