Question

The hydrocarbon which can react with sodium in liquid
ammonia is
(a) CH₃CH₂CH₂C ≡ CCH₂CH₂CH₃
(b) CH₃CH₂C ≡ CH
(c) CH₃CH = CHCH₃
(d) CH₃CH₂C ≡ CCH₂CH₃

Answer 1

Answer:

The hydrocarbon which can react with sodium in liquid ammonia is

(b) CH₃CH₂C ≡ CH

Answer 2

Answer:

The correct option is Option. (d)

Explanation:

Terminal alkynes (triple bond is at first & second carbon atom) react with sodium in liquid ammonia to yield ionic compounds - sodium alkylides.

The acidity of a terminal alkyne is due to the high level of s character in the sp hybrid orbital, which bonds with the s orbital of the hydrogen atom to form a single covalent bond.

Thank you!

Hope it helps you.