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(C) According to $VSEPR$ theory,the shape of a molecule depends on the number of bonding pairs $(b.p.)$ and lone pairs $(l.p.)$ around the central ato

Vedclass · Accepted Answer

$SO_3^{2-}$

Vedclass · Answer

(C) According to $VSEPR$ theory,the shape of a molecule depends on the number of bonding pairs $(b.p.)$ and lone pairs $(l.p.)$ around the central atom.$1.$ $SO_3$: Central atom $S$ has $3$ $b.p.$ and $0$ $l.p.$,resulting in a trigonal planar shape.$2.$ $BrF_3$: Central atom $Br$ has $3$ $b.p.$ and $2$ $l.p.$,resulting in a $T$-shaped geometry.$3.$ $SO_3^{2-}$: Central atom $S$ has $3$ $b.p.$ and $1$ $l.p.$,which gives it a pyramidal shape.$4.$ $XeF_2$: Central atom $Xe$ has $2$ $b.p.$ and $3$ $l.p.$,resulting in a linear shape.Therefore,the correct species with a pyramidal shape is $SO_3^{2-}$.

The species having a pyramidal shape according to $VSEPR$ theory is:

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