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Hydrocarbons

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Question 15

Cracking crude oil fractions produces hydrocarbons called alkenes, which are used to make polymers.

Which of the following is the general formula for an alkene?

CnH2n+2\text{C}_n\text{H}_{2n+2}Cn​H2n+2​

CnH2n\text{C}_n\text{H}_{2n}Cn​H2n​

CnH2n−2\text{C}_n\text{H}_{2n-2}Cn​H2n−2​

CnH2n+1\text{C}_n\text{H}_{2n+1}Cn​H2n+1​

Hydrocarbons Questions

  1. GCSE
  2. /Chemistry
  3. /Hydrocarbons

Practise Edexcel GCSE Chemistry Hydrocarbons with exam-style questions for Foundation and Higher tier. 34 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank