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Hydrocarbons

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Question 3

A student tests three liquid hydrocarbons, P, Q and R, by adding a few drops of orange-brown bromine water to a sample of each and shaking.

Their observations are:

  • P: orange-brown mixture becomes colourless
  • Q: mixture remains orange-brown
  • R: orange-brown mixture becomes colourless

Using these results, comment on the molecular structures of hydrocarbons P, Q and R.

[2]

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