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Which among the following oxides of nitrogen, the nitrogen atom contains one unpaired electron?
Chemistry | Chemistry | MHTCET
Which among the following oxides of nitrogen, the nitrogen atom contains one unpaired electron?

A)\,{{N}_{2}}{{O}_{4}}

B)\,N{{O}_{2}}

C)\,{{N}_{2}}{{O}_{5}}

D)\,{{N}_{2}}{{O}_{3}}

Solution:  B)\,N{{O}_{2}}

Among the oxides of nitrogen, only  contains odd number of electrons. i.e contains unpaired electrons.

= 14+24 = total 38 electrons (even electrons)

O4 = 14+32 = total 46 electrons (even electrons)

O5 = 14+40 = total 54 electrons (even electrons)

NO2​    = 7+16 = total 23 electrons

 

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