(a(i))[1]
Which part of the structure of compound P shows that it is unsaturated?
(a(ii))[2]
State the colour change when an excess of compound P is added to aqueous bromine, from ... to ... .
(a(iii))[1]
Draw the structure of the -COOH functional group. Include every atom and every bond.
(a(iv))[1]
What effect does compound P have on litmus solution?
(b(i))[2]
State how the pH changes as the acid is added.
(b(ii))[1]
What is the pH of the aqueous sodium hydroxide before any acid is added?
(b(iii))[1]
What volume of acid has been added when the solution reaches neutral pH?