Question Detail

CHM 102 Alkynes: Structure, Bonding, and Nomenclature Objective Question

Question

What is the product of ozonolysis (O₃ followed by H₂O) of 2‑butyne (CH₃C≡CCH₃)?
Options
A Acetic acid (CH₃COOH) only
Correct Answer
B Formaldehyde (HCHO)
C Acetaldehyde (CH₃CHO)
D Glyoxal (OHC–CHO)
Correct Answer

Option A is the correct answer.

Detailed Explanation

Ozonolysis of internal alkynes cleaves the triple bond to give two carboxylic acids. 2‑Butyne gives two molecules of acetic acid.

Hint

Cleavage gives acid fragments.

Question Info