Which of the following molecules does not obe | vedclass

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(D) The octet rule states that atoms tend to form bonds such that they have $8$ electrons in their valence shell. In the molecule $SF_6$,the central s

Vedclass · Accepted Answer

$SF_6$

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(D) The octet rule states that atoms tend to form bonds such that they have $8$ electrons in their valence shell. In the molecule $SF_6$,the central sulfur atom is bonded to $6$ fluorine atoms. Each $S-F$ bond consists of $2$ electrons,so the sulfur atom has $6 	imes 2 = 12$ electrons in its valence shell. Since $12 > 8$,$SF_6$ is an example of an expanded octet and does not obey the octet rule.

Which of the following molecules does not obey the octet rule?

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