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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3cb036

Which of the following statements about $SF X_{4}$ are correct?

AThe lone pair occupies an equatorial position
BThe molecule has a see-saw shape
CAll four S-F bonds have the same length
DThe molecule is polar

Answer: A, B, D

Sulfur has 4 bond pairs and 1 lone pair (trigonal bipyramidal arrangement). The lone pair is equatorial, giving a see-saw shape. The axial and equatorial S-F bonds differ in length, so not all are equal. The bond dipoles do not cancel, so the molecule is polar.

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