What you’ll learn2 learning objectivesChoose one objective for a focused lesson, or study the complete topic.—Reference—AS organic notation conventions• Use the syllabus conventions X for a halogen atom and R/R' for alkyl groups or hydrogen as appropriate.Syllabus objective—Reference—AS organic functional groups• Recognise and use the AS organic functional groups and representations from the syllabus table.- (a) alkene: C=C bond- (b) halogenoalkane: halogen X; primary, secondary and tertiary halogenoalkanes- (c) alcohol: hydroxyl -OH; primary, secondary and tertiary alcohols- (d) aldehyde: carbonyl -CHO- (e) ketone: carbonyl >C=O- (f) carboxylic acid: carboxyl -COOH- (g) ester: ester -COO-- (h) primary amine: -NH2- (i) nitrile: -CNSyllabus objective