Question detail
Which statement best describes the role of alkenes in the petrochemical industry?
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. Alkenes are used mainly as fuels because they are very stable
- B. Alkenes are converted into alkanes before use
- C. Alkenes are polymerised to produce plastics and other materials
- D. Alkenes are discarded because they are toxic
Answer
Alkenes are polymerised to produce plastics and other materials
Explanation
In the petrochemical industry, alkenes are polymerised to produce plastics and other polymeric materials, making them essential feedstock.
Common mistake
Alkenes are only used as fuels
Students often think alkenes are mainly used as fuels, forgetting their role in polymer production and as starting materials for many chemicals.
Explain that alkenes are highly reactive due to the C=C bond, making them ideal monomers for polymers (e.g., polyethylene, PVC) and key intermediates in synthesising a wide range of chemicals such as alcohols, acids, and plastics.
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