MCQ
Which of the following is paramagnetic
- ✓$O_2^ + $
- B$C{N^ - }$
- C$CO$
- D${N_2}$
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| List $I$ Isomeric pairs | List $II$ Type of isomers |
| $A$ Propanamine and $N-$Methylethanamine | $I$ Metamers |
| $B$ Hexan$-2-$one and Hexan$-3-$one | $II$ Positional isomers |
| $C$ Ethanamide and Hydroxyethanimine | $III$ Functional isomers |
| $D$ $o-$nitrophenol and $p-$nitrophenol | $IV$ Tautomers |
Choose the correct answer from the options given below :-
