Organic Compounds ·The chain of carbon atoms in an organic H HH molecule is the H-C-OH H-C-C-OH carbon skeleton. H HH 。Functional groups Methanol Ethanol are responsible for HH H most of the H一C C一C-H chemical properties of a particular H OHH organic compound. Isopropanol • The chain of carbon atoms in an organic molecule is the carbon skeleton. • Functional groups are responsible for most of the chemical properties of a particular organic compound. Organic Compounds