MCQ
Among $K{O_2},$ $NO_2^ - ,$ $Ba{O_2}$ and $NO_2^ + $ unpaired electron is present in
- A$NO_2^ + $ and $Ba{O_2}$
- B$K{O_2}$ and $Ba{O_2}$
- ✓$K{O_2}$ only
- D$Ba{O_2}$ only
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$\underset{Hexanal}{\mathop{C{{H}_{3\text{ }}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}CH=O}}\,$
