Which among the following halides has a trigo | vedclass

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(B) To determine the geometry,we calculate the hybridization of the central atom using the formula: $H = \frac{1}{2} (V + M - C + A)$,where $V$ is the

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$SeF_4$

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(B) To determine the geometry,we calculate the hybridization of the central atom using the formula: $H = \frac{1}{2} (V + M - C + A)$,where $V$ is the number of valence electrons,$M$ is the number of monovalent atoms,$C$ is the cationic charge,and $A$ is the anionic charge.$1$. For $SeCl_2$: $H = \frac{1}{2} (6 + 2) = 4$ ($sp^3$ hybridization). With $2$ lone pairs,it has a bent shape.$2$. For $SeF_4$: $H = \frac{1}{2} (6 + 4) = 5$ ($sp^3d$ hybridization). With $1$ lone pair,it has a seesaw shape,which is derived from a trigonal bipyramidal electron geometry.$3$. For $SF_6$: $H = \frac{1}{2} (6 + 6) = 6$ ($sp^3d^2$ hybridization). It has an octahedral geometry.$4$. For $TeF_6$: $H = \frac{1}{2} (6 + 6) = 6$ ($sp^3d^2$ hybridization). It has an octahedral geometry.Among the given options,$SeF_4$ is the only one associated with the trigonal bipyramidal electron geometry.

Which among the following halides has a trigonal bipyramidal structure?

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