Paper 1 February/March 2018 CHEMISTRY (9701/12) IGCSE
Compound X has the following properties.
- When 0.20 mol of X undergoes complete combustion, 14.4 dm$^3$ of carbon dioxide is produced, measured under room conditions.
- X reacts with 2,4-dinitrophenylhydrazine reagent to give an orange crystalline product.
- X does not give a yellow precipitate with alkaline I$_2$(aq).
What…