11 grade chemistry others
What is the common name of 2 - methyl - propanal ?
What is the common name of 2 - methyl - propanal ?
1 Answer
Askiitians Tutor Team
The common name of 2-methylpropanal is isobutyraldehyde.
Explanation:
IUPAC name (2-methylpropanal):
The name suggests that there is a 3-carbon chain (prop-) with an aldehyde group (-al) at the end, making it a propanal.
The "2-methyl" part means that there is a methyl group (-CH₃) attached to the second carbon in the chain.
Common name (isobutyraldehyde):
The structure of 2-methylpropanal consists of a branched chain with a methyl group on the second carbon of the aldehyde group, which is characteristic of an isobutyl group.
Hence, it is commonly referred to as isobutyraldehyde.
Both names refer to the same compound but follow different naming conventions (IUPAC vs. common).
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