describe the use of 2,4-dinitrophenylhydrazine (2,4-DNPH reagent) to detect the presence of carbonyl compounds

interpret and use the general, structural, displayed and skeletal formulas of the classes of compound stated in the table on pages 29 and 30

describe geometrical (cis/trans) isomerism in alkenes, and explain its origin in terms of restricted rotation due to the presence of π bonds