Which of the following is not paramagnetic [DCE 2002]

1.	Which of the following is not paramagnetic [DCE 2002]
A.	\[{{O}_{2}}\]
B.	\[O_{2}^{2+}\]
C.	\[O_{2}^{2-}\]
D.	\[O_{2}^{-}\]
Answer» D. \[O_{2}^{-}\]

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