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Question

Question: Which is a pair of paramagnetic species ?...

Which is a pair of paramagnetic species ?

A

KO2, NO2

B

K2O2, KO2

C

K2O, NO2

D

NO2, N2O2

Answer

KO2, NO2

Explanation

Solution

In KO2, O2– → (superoxide) has one unpaired electron and NO2 also has one unpaired electron.

Thus, KO2 and NO2 are paramagnetic