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Dinesh khalmaniya 1 Best Answer
Pyrrole is weakly acidic compound (pKa = 17.5) due to the presence of imino hydrogen atom whereas Pyrrolyl anion is a strong base. Acidic character can be explained by two factors: (i) Due to greater s-character in the N-H bond in pyrrole the bonding electrons are held more strongly to the pyrrole nitrogen.
can you please explain it in detail, I didn't get it clearly
where you have doubt?? here pyrrole N has lone pair while delocalised to make it aromatic and you know after removal of H nitrogen atom gets negative charge and we know that negative charge on more EN atom is highly stable also it has delocalisation. so CB is most stable and CAis more acidic