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Which of the following doesn’t follow octet rule?(a) CH4(b) CCl4(c) HCl(d) NO2I have been asked this question in an online quiz.Query is from Kossel-Lewis Approach to Chemical Bonding in chapter Chemical Bonding and Molecular Structure of Chemistry – Class 11

Answer»

The CORRECT CHOICE is (d) NO2

The EXPLANATION is: Though octet rule is widely known, it does have a few limitations. The COMPOUND nitrogen dioxide NO2 doesn’t follow the octet rule. It’s a molecule with an odd number of electrons. Even the nitric oxide NO doesn’t follow.



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