A laboratory technician is given two unlabelled gas cylinders containing hydrocarbon gases, Gas A and Gas B. One cylinder contains propane (C3H8\text{C}_3\text{H}_8C3H8) and the other contains propene (C3H6\text{C}_3\text{H}_6C3H6).
The technician bubbles each gas through a separate test tube containing orange-brown bromine water and records the following observations:
Explain these observations, referring to the bonding in propane and propene.
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.
