Which molecule obeys the octet rule?

Which of the following obeys the Octet rule?

  • a)NO2 b)BF3 c)XeF2 d)SF6 e)H2S Also, what's an easy way to tell which compounds do and which don't follow the rule?

  • Answer:

    only H2S 'e' ans N has 5 e in outer orbit so cannot have 8 after bonding B has 3 e and so BF3 has 6 e Xe has completed octet so XeF2 will have 10 e S has 6 e and has 12 e in SF6

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