Nitrogen compounds

Amines: Basicity, Preparation and Azo DyesSign up

understand the nomenclature of amides, amines and amino acids and be able to draw their structural, displayed and skeletal formulae · understand the reactions of primary aliphatic amines (using butylamine as an example) and aromatic amines (using phenylamine as an example) with: (i) water to form an alkaline solution; (ii) acids to form salts; (iii) halogenoalkanes; (iv) ethanoyl chloride; (v) copper(II) ions to form a complex ion · understand that amines are miscible with water as a result of hydrogen bonding, and the reasons for the difference in basicity between ammonia, primary aliphatic amines and primary aromatic amines · understand, in terms of reagents and general reaction conditions, the preparation of primary aliphatic amines: (i) from halogenoalkanes; (ii) by the reduction of nitriles · know the preparation of aromatic amines by the reduction of aromatic nitro-compounds using tin and concentrated hydrochloric acid · be able to describe the reaction of aromatic amines with nitrous acid to form benzenediazonium ions, followed by a coupling reaction with phenol to form a dye

Amino Acids, Zwitterions, Peptides and ElectrophoresisSign up

be able to describe experiments to investigate the characteristic behaviour of amino acids limited to: (i) acidity and basicity and the formation of zwitterions; (ii) effect of aqueous solutions on plane-polarised monochromatic light; (iii) formation of peptide bonds by condensation polymerisation · CORE PRACTICAL 15: Analysis of some inorganic and organic unknowns