Chemistry

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Which of the following nitrogen oxide molecules and related ions is/are diamagnetic and has/have more than two charge-minimized resonance structures?

1. NO
2. NO2
3. N2O4
4. NO2-

  • Chemistry -

    It's N2O4. I'm doing the same quiz right now lol.

  • Chemistry -

    why not #4? that has two resonance structures and it is isoelectronic to ozone which is diamagnetic.

  • Chemistry -

    u guys should know better than to cheat :P

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