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Which of the following is paramagnetic ?

  • Option 1)

    NO+

  • Option 2)

    CO

  • Option 3)

    \text{O}_{2}^{-}

  • Option 4)

    CN-

 

Answers (1)

best_answer

O_{2}^{-}(17) super oxide has one unpaired electron. Since paramegnetism is shown by those molecules which have at least one unpaired electron, hence, O_{2}^{-} is paramagnetic.


Option 1)

NO+

This solution is incorrect 

Option 2)

CO

This solution is incorrect 

Option 3)

\text{O}_{2}^{-}

This solution is correct 

Option 4)

CN-

This solution is incorrect 

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Plabita

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