Complete combustion of an organic compound forms 40 cm3 of carbon dioxide and 60 cm3 of water vapour, under the same conditions of temperature and pressure.
Which molecular formula could the organic compound have?
C2H4O2\text{C}_2\text{H}_4\text{O}_2C2H4O2
C2H6O\text{C}_2\text{H}_6\text{O}C2H6O
C3H6O2\text{C}_3\text{H}_6\text{O}_2C3H6O2
C3H8\text{C}_3\text{H}_8C3H8
199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.