Are aldehydes and ketones interclass isomers?

univerkov | June 14, 2021 | education

Aldehydes and ketones are interclass isomers because, despite the fact that they belong to different classes (aldehydes have an aldehyde group -COH, and ketones have a keto group C = O), they have the same quantitative composition and molecular weight.

So both propanal CH3-CH2-COH and propanone (acetone) (CH3) 2CO have the same gross formula: C3H6O, i.e. the same quantitative composition and molecular weight.

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