JEE Main Chemistry question

Chemistry Organic Chemistry - Some Basic Principles and Techniques JEE Main

The IUPAC name of crotonaldehyde is:

(A)Propenal
(B)But-2-en-1-alCorrect
(C)Butan-2-en-1-al
(D)None of these

Answer: (B)

Solution

Crotonaldehyde, CH₃–CH=CH–CHO, is but-2-enal.

Question ID VK-149794