4-carbon chain, C=C at position 2, -CHO suffix: But-2-enal
The IUPAC name of CH₃-CH=CH-CHO is:
BITSAT 2025 — Chemistry Organic Chemistry
2025mcqmedium
The IUPAC name of CH₃-CH=CH-CHO is:
Official previous-year question
Verified 30 May 2026.
Options
- A
But-2-enal
- B
But-3-enal
- C
Butenal
- D
2-Butenal
Did you get this right?
Sign in to track your attempts and accuracy.
Your note
Sign in to keep a private note on this question. Nothing you write is ever public.
BITSAT Organic Chemistry in other years
More BITSAT Organic Chemistry questions
Other Chemistry topics for BITSAT
Keep practicing Organic Chemistry
Work through every BITSAT Organic Chemistry PYQ, year by year.