Multiple choice general knowledge science & technology

IUPAC name for Acetaldehyde?

  1. Methanol

  2. Ethanol

  3. Methanal

  4. Ethanal
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The IUPAC name for acetaldehyde is ethanal, making option D correct. Acetaldehyde has 2 carbon atoms (eth-), so it becomes 'ethanal' under IUPAC rules. The '-al' suffix indicates it's an aldehyde. Methanal is formaldehyde (1 carbon), while methanol and ethanol are alcohols.

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