A-Level CAIE Chemistry AS Reference—AS organic functional groups Question Bank

• 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: -CN