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Atoms and reactions

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Question 31

The complete combustion of a gaseous organic compound in excess oxygen produces 120 cm3 of carbon dioxide and 150 cm3 of water vapour, with both product volumes measured under the same conditions of temperature and pressure.

Which molecular formula could represent this organic compound?

A

C2H6O\text{C}_2\text{H}_6\text{O}C2​H6​O

B

C3H8O\text{C}_3\text{H}_8\text{O}C3​H8​O

C

C4H10O\text{C}_4\text{H}_{10}\text{O}C4​H10​O

D

C5H12\text{C}_5\text{H}_{12}C5​H12​

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

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.

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