Explain each of the following facts.
(a) In the following ion, the hydrogens of the methyl group shown in red are most acidic, even though the other methyl group is directly attached to the positively charged nitrogen.

(b) Treatment of 4-chloropyndine with ammonia gives 4-aminopyridine, but treatment of 3-chloropyridine under the same conditions gives no reaction

Transcribed Image Text:

CH CH