Aldehydes and ketones both, show the type of Isomerism is ______ ? November 27, 2023 – by admin 0A. Functional Group IsomerismB. Position IsomerismC. chain IsomerismD. MetamerismAldehydes and ketones are functional isomers due to the difference in their functional groups. Ketones have R−CO−R and aldehydes have R−CHO.