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Which of the following violates the octet rule?

A. MgF₂
B. KI
C. FeCl₂
D. CaO


Sagot :

Final answer:

FeCl2 violates the octet rule by not fulfilling the octet requirement in its valence shell.


Explanation:

FeCl2 violates the octet rule. In FeCl2, Iron (Fe) has 2 Chlorine (Cl) atoms attached to it, resulting in only 6 electrons in its valence shell, not fulfilling the octet rule.


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