alleryWhich is the simplest aldehyde?
AButanal across all cases
BEthanal
CPropanal
DMethanal (formaldehyde)
Answer & Solution
Correct answer: D. Methanal (formaldehyde)
1. Aldehydes have the -CHO functional group.
2. The simplest aldehyde has just one carbon: HCHO.
3. HCHO is called methanal in IUPAC and formaldehyde commonly.
4. Ethanal, propanal and butanal have more carbons.
_Source: syllabus Science Ch 4 'Carbon and its Compounds' (byjus.com extract)_
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