Question

Hexanal is a compound, which has got ___ functional group

Answer 1

''''''''Aldehyde'''''' is the answer because it has the suffix/prefix as 'al' , which is used for the functional group 'aldehyde'.

Here's a pic that will help you better understand the structure of hexanal.

Answer 2

Hexanal, also called hexanaldehyde or caproaldehyde is an alkyl aldehyde used in the flavor industry to produce fruity flavors. Its scent resembles freshly cut grass, like cis-3-hexenal. It is potentially useful as a natural extract that prevents fruit spoilage. Wikipedia

Formula: C6H12O

Related aldehydes: Pentanal; Heptanal