Question

which functional Group is possessed By aldehyde

Answer 1

Aldehydic group
Which is at terminal of parent chain
With cho
C is doubly bonded with o
And singly bonded with h

Answer 2

Aldehyde ( CHO)

Aldehyde are the carbon compounds contain an aldehyde group ( CHO) attached to a carbon atom.

Example:-

Molecular formulas of methane is CH4

H-CHO ( CHO shows that aldehyde functional group are connected with methane) .

Then,

IUPAC name of Methane is Methanal