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JEE Main levelOne or more correct optionsDifficulty 2 of 3cb026

In which of the following species is the arrangement of electron pairs around the central atom trigonal bipyramidal?

A\ce{SF4}
B\ce{ClF3}
C\ce{XeF2}
D\ce{XeF4}

Answer: A, B, C

The steric numbers are:

SF X_{4}

4 + 1 = 5,

ClF X_{3}

3 + 2 = 5,

XeF X_{2}

2 + 3 = 5, all trigonal bipyramidal pair arrangements.

XeF X_{4}

has 4 + 2 = 6 pairs (octahedral).

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