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Grade 12Organic Chemistry

Which is more acidic aliphatic amide or aromatic amide?

Profile image of Chinmayi Shetty
8 Years agoGrade 12
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3 Answers

Profile image of Abhisek
8 Years ago
A compound is more acidic if the corresponding conjugate base is more stable, i.e the negative charge developed gets distributed or delocalised.In aromatic amide, the aromatic ring is electron withdrawing so it delocalizes the excess charge and hence stabilizes the compound which is not seen in aliphatic amides, so you see Aromatic amide IS MORE ACIDIC tha aliphatic amide. 
Profile image of Rohit
8 Years ago
Acidic strength is directly proportional to stability.
In aromatic ring due to resonance the amide stability increases and hence acidity increase.However in aliphatic compound three is no such effect hence Aromatic amides are more acidic
Profile image of Vishnu Mali
8 Years ago
Its so simple.i think you know by aeromiticity compound become stable.and hence more stable means more acidic.so aerometic amine is more acidic.