Written Paper
Section I
Question 31 - 2002 HSC
(a) Identify the metal ion that produces a yellow colour in a flame test; explain how some metal ions produce a colour in a flame. (b) Describe the bonding in a coordination complex. (c) Explain the term reflectance spectrum; outline how infrared and ultraviolet light are used to determine the chemical composition of pigments. (d) State the electronic configuration of manganese in terms of subshells; outline the procedure used to determine oxidising strength of potassium permanganate; justify a conclusion about oxidising strength of potassium permanganate. (e) Analyse trends in the physical properties of the first transition series.
