Question

why FeCl2 ,AgCl, CuCl does not follow octet rule?​

Answer 1

Because in these compounds there are more than $8e^-$ in outermost shell of central atom.

Answer 2

$FeCl2 ,AgCl, CuCl$ does not follow the octet rule because:-

• Chlorine compounds like$FeCl2 , AgCl \: and \: CuCl$ do not follow the octet rule because chlorine will hold more than 8 electrons.

• Chlorine, which has valence electrons in the 3rd energy level can furthermore have access to the 3d sublevel, hence allowing for more than 8 electrons.

• Elements which are present in the first 2 periods of the Periodic Table do not have access to the d sublevel and must cling to the octet (or duet H and He) rule.

• The chlorate ion cannot be adequately represented by just one Lewis Dots structure.

• Chlorine bonds like$FeCl2, AgCl \: and \: CuCl$ are of the same length and must be reflected as a hybrid of multiple resonance structures.

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