what-role-does-the-nitrogen-atom-in-pyridine-play-in-the-addition-elimination-me

Question

What role does the nitrogen atom in pyridine play in the addition-elimination mechanism of SNAr reactions?

Accepted Answer

It stabilizes the carbanion intermediate formed during the reaction.

Answer

It acts as a leaving group.

Answer

It acts as a nucleophile attacking the ring.

Answer

It provides steric hindrance to the nucleophile.