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Atoms and reactions

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Question 74

Complete combustion of 1.20 g of a hydrocarbon yields 1.80 g of water (H2O\text{H}_2\text{O}H2​O). What is the empirical formula of the hydrocarbon?

A

CH2\text{CH}_2CH2​

B

C5H12\text{C}_5\text{H}_{12}C5​H12​

C

C3H8\text{C}_3\text{H}_8C3​H8​

D

C5H10\text{C}_5\text{H}_{10}C5​H10​

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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