MCQ
In pyrrole the electron density is maximum on


- A$2$ and $3$
- B$3$ and $4$
- C$2$ and $4$
- ✓$2$ and $5$


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$(A)$ $NO _3^{-}$ $(B)$ $Cl ^{-}$ $(C)$ $SCN ^{-}$ $(D)$ $CN ^{-}$