In which of the following molecules/ions are | vedclass

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(C) $SF_4$ does not have equal bond angles because of its structure,which is see-saw (derived from trigonal bipyramidal).Sulfur in $SF_4$ has a total

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$SF_4$

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(C) $SF_4$ does not have equal bond angles because of its structure,which is see-saw (derived from trigonal bipyramidal).Sulfur in $SF_4$ has a total of six valence electrons,four of which form bonds with fluorine atoms and two form a lone pair.Due to the presence of a lone pair,the bond angles deviate from the ideal trigonal bipyramidal angles of $90^\circ$ and $120^\circ$.The equatorial $F-S-F$ bond angle is approximately $102^\circ$ and the axial $F-S-F$ bond angle is approximately $173^\circ$ due to lone pair-bond pair repulsion.In contrast,$SiF_4$ ($sp^3$,tetrahedral),$ICl_4^-$ ($sp^3d^2$,square planar),and $PCl_4^+$ ($sp^3$,tetrahedral) have equivalent bond angles due to their symmetric geometries.

Molecule	$P-X$ (axial) bond length / $P-X$ (equatorial) bond length
$PF_5$	$a / b$
$PF_4CH_3$	$c / d$
$PF_3(CH_3)_2$	$e / f$
$PCl_5$	$g / h$

In which of the following molecules/ions are all the bond angles not equal?

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Consider the following information $(X = F$ or $Cl)$:

Molecule $P-X$ (axial) bond length / $P-X$ (equatorial) bond length

$PF_5$ $a / b$

$PF_4CH_3$ $c / d$

$PF_3(CH_3)_2$ $e / f$

$PCl_5$ $g / h$

According to the given information,choose the incorrect order of bond lengths.

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