Examine the given structura l formulas of compounds. Using a crayon ra colored pencil, highlight the hydrocarbon group(s) in each formula. implify each formula by representing a hydrocarbon group as R, another ydrocarbon group as R' , and so on. Write the resulting simplified formula elow it. The first one is done for you. Answer the questions that follow. H O | || 1. H—C—C—H | H