Question

Which of the following reactions froms a major product which follows the Hofmann rule?

• A.
• B.
• C.
• D.

Answer 1

Answer: (A), (B), (C)

(a) $Th{O}_2$ forms a terminal alkene due to its bulky size. This follows the Hofmann rule.

(b) A Hofmann alkene is favoured due to formation of conjugated diene.

(c) A Hofmann product is formed by an $E_{1}cB$ mechanism.

(d) A Saytzeff product is obtained in majority.