Which of the following has the least pungent odour?
(a) Methanal
(b) Ethanal
(c) Propanal
(d) Butanal
This question was posed to me by my college director while I was bunking the class.
This interesting question is from Aldehydes and Ketones Physical Properties in chapter Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12