Question 32

Summary: (a) Identify the functional group in glycerol; compare reactions of glycerol and 1-propanol with cold dilute KMnO4. (b) Discuss the value of electron spectroscopy and scanning tunnelling microscopy in forensic chemistry analysis. (c) Identify the class of compounds used to break proteins into fragments of different lengths; describe the processes of electrophoresis and chromatography in separating organic compounds. (d) Outline the equipment and procedure used to analyse emission spectrum of sodium; explain how emission spectrum is produced. (e) Discuss uses of DNA analysis in forensic chemistry.