Chemical Bonding And Molecular Structure Question 369
Question: Which of the following is not paramagnetic [DCE 2002]
Options:
A) $ O_2 $
B) $ O_2^{2+} $
C) $ O_2^{2-} $
D) $ O_2^{-} $
Show Answer
Answer:
Correct Answer: C
Solution:
Species with unpaired electrons is paramagnetic $ O_2 $ has 2 unpaired electrons, $ O_2^{-} $ has one unpaired, $ O_2^{2-} $ has zero unpaired electrons, $ O_2^{2+} $ has one unpaired.