(a(i))[1]
Use the information in Table 2.1 to estimate iodine’s boiling point.
(a(ii))[1]
Use the information in Table 2.1 to predict astatine’s density at room temperature and pressure.
(a(iii))[2]
Use the information in Table 2.1 to predict bromine’s physical state at +50 ^{\circ}C. Give a reason for your answer.
(b(i))[2]
Complete the word equation shown below for this reaction.\n\nbromine + potassium iodide → [BLANK] + [BLANK]
(b(ii))[1]
Explain why aqueous iodine fails to react with aqueous potassium bromide.
(b(iii))[2]
Describe a test for iodide ions. State the test used and the observation made.