Complete combustion of an organic compound forms 75 cm3 of carbon dioxide and 100 cm3 of water vapour, under the same conditions of temperature and pressure.
Which molecular formula could the organic compound have?
C2H6O\text{C}_2\text{H}_6\text{O}C2H6O
C3H6O2\text{C}_3\text{H}_6\text{O}_2C3H6O2
C3H8O\text{C}_3\text{H}_8\text{O}C3H8O
C4H10\text{C}_4\text{H}_{10}C4H10
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.