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anonymous

  • 4 years ago

how to tell whether an element is paramagnetic or diamagnetic

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  1. anonymous
    • 4 years ago
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    simply by counting their electron if it is even then it is daimagnetic if it is odd then paramagnetic its a trick but here O2 is xception it is paramagnetic

  2. anonymous
    • 4 years ago
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    Do you know molecular orbital theory? We use it is to see if an element is paramagnetic or dia magnetic well odd electron species are always paramagnetic but you can decide for even numbers only by using MOT...

  3. anonymous
    • 4 years ago
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    Write the orbitals in MOT and fill them up ans see if there are unpaired electrons if there are it is paramagnetic if not then it is diamagnetic.

  4. anonymous
    • 4 years ago
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    i told its a trick not ans

  5. anonymous
    • 4 years ago
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    Whatever, i just told the ans :P

  6. anonymous
    • 4 years ago
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    but if we have to distinguish between paramagnetic and diamagnetic oxide then?

  7. anonymous
    • 4 years ago
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    Could you give an example?

  8. anonymous
    • 4 years ago
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    between Na2o, MgO, BeO

  9. anonymous
    • 4 years ago
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    Take the ion O2- and use MOT it has 18 electrons.

  10. anonymous
    • 4 years ago
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    so why you are not considering electrons in Na and Mg

  11. anonymous
    • 4 years ago
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    Good question i'm not sure :D

  12. anonymous
    • 4 years ago
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    Thats an ionic bond between Na+ and O- even if you want to consider Na+ you would consider it seperately. Generally i would think you consider the O2-, I;ve not heard of paramagnetic cations...

  13. anonymous
    • 4 years ago
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    ok

  14. anonymous
    • 4 years ago
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    well if u are doing ques of oxide as well u have to use MOT by which u can identify and u can use trick but dont use in theoretical xam if u are giving compound or oxide all u have to do is count electrons ok even in oxide same rule is followed.. here u cant convert in ions there is no sense to do so.. in ques they dont as individualy if they give oxide den y r u doing so

  15. anonymous
    • 4 years ago
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    Well Na2O is an ion isn't it? If O2- is paramagnetic then naturally the entire compound would be diamangnetic.

  16. anonymous
    • 4 years ago
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    Heena i did not get what you are trying to say...

  17. anonymous
    • 4 years ago
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    O2- is exception wen u rite it by using MOT u ll find that

  18. anonymous
    • 4 years ago
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    and Na2O is not ion

  19. anonymous
    • 4 years ago
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    How is O2- is an exception? Na2O magnetic behaviour can be attributed to O2- ion.

  20. anonymous
    • 4 years ago
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    srrry O2- is not the xception O2 is exception..

  21. anonymous
    • 4 years ago
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    By MOT even O2 is no exception there are two unpaired electrons in the pi* orbitals which lend it a para magnetic charcter.

  22. anonymous
    • 4 years ago
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    i agree wat u saying but i m telling the exception acc. to the trick sir..dat i told her

  23. anonymous
    • 4 years ago
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    For heavens sake please stop using sir.... :D

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