Question detail
Which of the following compounds is an alkene?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Carbon compounds as fuels and feedstock
Question
- A. C2H6
- B. C3H8
- C. C2H4
- D. C4H10
Answer
C2H4
Explanation
C2H4 (ethylene) is an alkene because it contains a carbon-carbon double bond, while the others are alkanes.
Common mistake
Bromine Water Reaction Misunderstanding
Students often think that bromine water turns clear when it reacts with an alkene.
Students should remember that bromine water actually changes from brown to colourless when it reacts with an alkene.
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