Number of molecules/species from the following having one unpaired electron is O 2 , O 2 − 1 , NO , CN − 1 , O 2 2 −

Question

Number of molecules/species from the following having one unpaired electron is O 2 ​ , O 2 − 1 ​ , NO , CN − 1 , O 2 2 − ​

TestHub · Accepted Answer

According to M.O.T. O 2 ​ → no. of unpaired electrons = 2 O 2 − ​ → no. of unpaired electron = 1 NO → no. of unpaired electron = 1 CN − → no. of unpaired electron = 0 O 2 2 − ​ → no. of unpaired electron = 0

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