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pyrrole is more reactive towards electrophillic aromatic substiotution because it is able to stabilize the +ve charge of the intermediate carbocation

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Why do 5-membered ring aromatic heterocycles pyrrole and furan undergo electrophilic substitution more rapidly than benzene while 6-membered ring heterocycles like pyridine are less reactive than Benz?

pyridine is less reactive than benzene because when we form its conjugate base then it'll b more stable than dat of benzene.. so more stabler means less reactive.......and also due to more resonance in benzene it will b more reactive...same 4 furan and pyrrole


Which is more basic pyrrole or indole?

Indole is more basic than pyrrole due to the presence of the nitrogen atom in the benzene ring of the indole structure. The lone pair of electrons on the nitrogen atom in indole makes it more basic compared to pyrrole, which lacks this nitrogen atom in the benzene ring.


Why chlorine makes benzene less reactive?

This is because chlorine is an electronegative group and is pulling electrons away from benzene. This makes the ring less reactive and more positive. Then when a positive electrophile tries to attach, the benzene does not want to react.


Why pyrrole does not react with hydrocloric acid?

Pyrrole does not react with hydrochloric acid because the nitrogen atom in the pyrrole ring is part of an aromatic system. The lone pair of electrons on the nitrogen atom is delocalized within the aromatic ring, making it less available for reaction with acids.


Is benzene less reactive towards electrophillic substitution reaction?

No, Haloarenes are less reactive than benzene towards electrophillic substitution reaction. This is because the halogen atom attached to benzene ring in haloarenesis slightly deactivating and orthoand para directing. so attack can only take place at orthoand para. Also the halogen atom in Haloarenesdue to its -I effect has some tendancyto withdraw electrons from the benzene ring and hence making it deactivating.Since the ring gets deactivated as compared to benzene, haloarenesare less reactive than benzene in electrophillicsubstituionreaction.


What are the key differences between pyrrole and pyridine in terms of their chemical structures and properties?

Pyrrole and pyridine are both aromatic compounds, but they differ in their chemical structures and properties. Pyrrole has a five-membered ring with four carbon atoms and one nitrogen atom, while pyridine has a six-membered ring with five carbon atoms and one nitrogen atom. Pyrrole is more reactive due to its higher electron density, while pyridine is less reactive and more stable. Pyrrole is a stronger base than pyridine because its nitrogen atom is more basic. Additionally, pyrrole is more acidic than pyridine because its nitrogen atom can donate a proton more easily.


Why furan is more reactive than pyrrole and thiophene?

Furan is more reactive than Pyrrole because it is less stable as it contains an extra lone pair than that of pyrrole, which is available for attack of an acid, results in the destabilization of the ring.


Why haloarenes are less reactive towards electrophile than benzene?

Haloarenes are less reactive towards electrophiles than benzene because the halogen substituents on the aromatic ring act as electron-withdrawing groups, reducing the electron density on the ring and making it less susceptible to attack by electrophiles. This results in a decreased reactivity towards electrophilic substitution reactions compared to benzene.


Why benzene is less reactive than alkene?

Benzene is less reactive than alkenes because it has a stable aromatic ring structure, which leads to a high degree of resonance stabilization. This stability reduces the tendency of benzene to undergo addition reactions that are commonly seen with alkenes. Additionally, the delocalization of electrons in the benzene ring provides extra stability, making it less likely to undergo reactions that would disrupt this resonance.


Why nitration of toluene is easier than benzene?

Hi ,As you know from the structures of both the compounds that toluene has a methyl group on the benzene ring which is electron releasing group and hence activate the benzene ring by pushing the elctrons on the benzene ring. On the other hand nitro group on the benzene ring is electron withdrawing group which deactivates the benzene ring by withdrawing the electrons from the benzene ring . Now in the nitration attack of the nucleophile ( NO2 +) takes place. Hence reaction will takes place on that benzene faster which have more electron density on its ring which is the case of toluene.


What are pyrrole ring containing drugs?

Atorvastatin


Alkyl benzene can be easily oxidized as compared to benzenewhy?

Alkyl benzene can be more easily oxidized than benzene due to the presence of the alkyl group, which is more reactive than the aromatic ring. The alkyl substituent can donate electrons, enhancing the electrophilic character of the benzene ring and making it more susceptible to oxidation reactions. Additionally, the oxidation of the alkyl group can lead to the formation of more reactive species, further facilitating the overall oxidation process. In contrast, benzene's stable aromatic structure resists oxidation.