O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2013 · Q401 Mark

Which equation represents a combustion reaction?

AC2H4 + H2O → C2H5OH

BC2H5OH + O2 → CH3CO2H + H2O

CCH3CO2H + 2O2 → 2CO2 + 2H2O

DCH3CO2H + CH3OH → CH3CO2CH3 + H2O

✓ Correct answer

C: CH3CO2H + 2O2 → 2CO2 + 2H2O

Oracle Prep sorts past-paper questions by topic, so you can drill Organic Chemistry and see which topics are most likely to come up next.

Topic: Organic Chemistry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 1, question 40.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

When a compound X is reacted with sodium carbonate, carbon dioxide gas is evolved. What could be the formula of compo…

The diagrams show four monomers. How many of these monomers would react with the molecule below to form a polymer?

A compound Y is thought to be an organic acid. Which reaction shows that Y is an organic acid?

Which ion reacts with aqueous ammonia to give a precipitate that dissolves in an excess of ammonia?

Which statement about aqueous sodium chloride is correct?

15.0 cm³ of 1.0mol/dm³ potassium hydroxide just neutralise 20.0 cm³ of a solution of nitric acid. What is the concent…