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10.2 Hydrocarbons

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Question 7
F

A hydrocarbon contains 83.3% carbon by mass.

Which of these is its molecular formula?

(relative atomic masses: C = 12, H = 1)

[1]
A

C4H10\mathrm{C_{4}H_{10}}C4​H10​

B

C5H10\mathrm{C_{5}H_{10}}C5​H10​

C

C6H14\mathrm{C_{6}H_{14}}C6​H14​

D

C5H12\mathrm{C_{5}H_{12}}C5​H12​

Markscheme

10.2 Hydrocarbons Questions

  1. GCSE
  2. /Chemistry
  3. /10.2 Hydrocarbons

36 exam-style questions on Edexcel GCSE Chemistry 10.2 Hydrocarbons, covering 10.2.1 Formulae and structures of the alkanes, 10.2.2 Alkenes and the C=C functional group, 10.2.3 Addition reactions of alkenes and testing for unsaturation, and 10.2.4 Combustion of alkanes and alkenes. Each one has a worked solution and a mark scheme showing where the marks go.

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