Which is not paramagnetic

  • A

    ${O_2}$

  • B

    $O_2^ + $

  • C

    $O_2^{2 - }$

  • D

    $O_2^ - $

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Give answer of following questions.

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$(ii)$ ${\rm{L}}{{\rm{i}}_2},{\rm{B}}{{\rm{e}}_2},{{\rm{C}}_2},{{\rm{N}}_2},{{\rm{O}}_2}{\rm{,}}{{\rm{F}}_2}$ for these molecule give energy other.

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