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Which of the following is paramagnetic 

Option: 1

Na_2O


Option: 2

MgO


Option: 3

Na_2O_2


Option: 4

KO_2


Answers (1)

best_answer

As we have learned

Polyoxides -

These contains O_{2}^{2-}ion having oxidation number of oxygen as -1/2

- wherein

KO2,RbO2

 

 superoxide ion  (O^-_2) is paramagnetic that is due to presence of unpaired electron 

KO_2  is paramagnetic 

 

Posted by

seema garhwal

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