Aromatic Compounds Containing Nitrogen - Result Question 21

21. The species having pyramidal shape is

(a) $SO _3$

(b) $BrF _3$

(c) $SiO _3^{2-}$

(d) $OSF _2$

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Answer:

Correct Answer: 21. (d)

Solution:

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$SO _3$ is planar ( $S$ is $s p^{2}$-hybridised), $BrF _3$ is T-shaped and $SiO _3^{2-}$ is planar ( $Si$ is $s p^{2}$-hybridised).