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, O2ā ā (superoxide) has one unpaired electron and NO2 also has one unpaired electron.
Thus, KO2 and NO2 are paramagnetic