

MCQOPTIONS
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1. |
Among \[K{{O}_{2}},\,AlO_{2}^{-},\,Ba{{O}_{2}}\] and \[NO_{2}^{+}\] unpaired electron is present in [MP PET 2003] |
A. | \[NO_{2}^{+}\] and \[Ba{{O}_{2}}\] |
B. | \[K{{O}_{2}}\]and\[AlO_{2}^{-}\] |
C. | \[K{{O}_{2}}\] only |
D. | \[Ba{{O}_{2}}\]only |
Answer» D. \[Ba{{O}_{2}}\]only | |