Which prefix is used for a saturated heterocycle containing nitrogen?

What structural feature is shared between indole and pyrrole?

In the naming of substituents in unsaturated heterocycles, which rule must be applied regarding heteroatoms?

What is the primary impact of aromaticity on the basicity of nitrogen heterocycles?

Which of the following correctly compares the nitrogen hybridization in pyridine and pyrrole and its effect on their basicity?

Which hybridization has the least percentage of s character?

Which heteroatom is present in thiophene?

During electrophilic aromatic substitution, why is substitution at the 2 position favored over the 3 position in pyrrole?

Which factor most significantly affects the stability of intermediates in EAS reactions of thiophene?

In an EAS reaction, which type of directing group will generally direct an incoming electrophile to the para position?

Consider a pyrrole undergoing bromination. Which position is most likely to be brominated and why?

A thiophene ring with a bromine substituent undergoes nitration. Which position will the nitro group most likely occupy?