Question 89

In which of the following molecules the octet rule is not violated?

Solution

In $$\text{Cl}_2\text{O}$$ every atom has 8 electrons, and in $$\text{NH}_4^+$$ nitrogen has 8 electrons from four N-H bonds. Boron in $$\text{BF}_3$$ has only 6 electrons, and sulphur in $$\text{SF}_6$$ has 12. So options a and d obey the octet rule.

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