Both pyridine and pyrrole are nitrogen-containing aromatic heterocyclic compounds (see below). When treated with HCI, pyridine forms a hydrochloride salt, whereas pyrrole is unreactive. Provide an explanation for this observed difference in reactivity. Pyridine (pK8.77) Pyrrole (pK, 17.8) Select one: O A. Protonation of pyrrole destroys a stable aromatic ring, while protonation of pyridine does not disrupt its aromaticity. OB. Reaction of pyrrole with HCI forms an unstable nitrogenous anion. O C. pyrdine is planar while pyrrole is not. OD. The pyrrole nitrogen is a strongly deactivating group. OE. Pyrrole has a large bond angle strain, preventing it from reacting. OF Pyrrole is sterically hindered; pyridine is not.

Both pyridine and pyrrole are nitrogen-containing aromatic heterocyclic compounds (see below). When treated with HCI, pyridine forms a hydrochloride salt, whereas pyrrole is unreactive. Provide an explanation for this observed difference in reactivity. Pyridine (pK8.77) Pyrrole (pK, 17.8) Select one: O A. Protonation of pyrrole destroys a stable aromatic ring, while protonation of pyridine does not disrupt its aromaticity. OB. Reaction of pyrrole with HCI forms an unstable nitrogenous anion. O C. pyrdine is planar while pyrrole is not. OD. The pyrrole nitrogen is a strongly deactivating group. OE. Pyrrole has a large bond angle strain, preventing it from reacting. OF Pyrrole is sterically hindered; pyridine is not.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Both pyridine and pyrrole are nitrogen-containing aromatic heterocyclic compounds (see below). When treated with
HCI, pyridine forms a hydrochloride salt, whereas pyrrole is unreactive. Provide an explanation for this observed
difference in reactivity.
Pyridine (pK8.77)
Pyrrole (pK, 17.8)
Select one:
O A. Protonation of pyrrole destroys a stable aromatic ring, while protonation of pyridine does not disrupt its
aromaticity.
OB. Reaction of pyrrole with HCI forms an unstable nitrogenous anion.
OC. pyrdine is planar while pyrrole is not.
OD. The pyrrole nitrogen is a strongly deactivating group.
OE. Pyrrole has a large bond angle strain, preventing it from reacting.
OF. Pyrrole is sterically hindered; pyridine is not.

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