Limitations of octet rule.

1.	Limitations of octet rule.
Answer» Formation of electron deficient compounds like BeCl₃ , BF₃ , AlCl₃ . Central atom has less than 8e . Formation of hypervalent compounds like PCl₅, SF₆, IF₇, H₂SO₄ in which central atom has more than 8 electrons. Formation of compounds of noble gases like XeF₂, XeF₄, XeF₆ . Odd electron molecules like NO, NO₂.

Answer»

Formation of electron deficient compounds like BeCl₃ , BF₃ , AlCl₃ . Central atom has less than 8e .

Formation of hypervalent compounds like PCl₅, SF₆, IF₇, H₂SO₄ in which central atom has more than 8 electrons.

Formation of compounds of noble gases like XeF₂, XeF₄, XeF₆ .

Odd electron molecules like NO, NO₂.

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