32Organic Nomenclature FormulaeEasy1 markWhich of the named compounds have the correct structural formula?1ethanoic acid, CH3CH2COOH2propan-2-ol, CH3CH(OH)CH33but-2-ene, CH3CH=CHCH3A1 and 2B1 and 3C2 and 3D3 onlyGrade answerGrading criteria