MCQ
At normal temperature, $X$ and $Y$


- Aresonance structures
- ✓tautomers
- Cfunctional isomers
- Dpositional isomers

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$A : 3\,, 2\,, -2\,, +\, \frac{1}{2}$
$B : 3\,, 0\,, 0\,, + \,\frac{1}{2}$
What is true for $A$ and $B$