Question

what is are the functional groupes in organic chemistry and explain them​

Answer 1

In organic chemistry, functional groups are specific substituents or moieties within molecules that are responsible for the characteristicchemical reactions of those molecules. ... Functional groups aregroups of one or more atoms of distinctive chemical properties no matter what they are attached to.

Answer 2

If one part(Heteroatom i.e. One Hydrogen Atom because bond with Hydrogen is the weakest one )of a Carbon Compound is replaced by a Particular group of Atom(s).Such as Halogens , COOH , OH ,HCO , CO in a Particular and Fittest manner...The properties of the Carbon Compound change with respect to these groups...I.e. act as A functioning Part (in case of properties) ...These groups are called functional groups...!