Question detail
Explain why alkenes are useful as starting materials for producing polymers and other chemicals.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Carbon compounds as fuels and feedstock
Question
Explain why alkenes are useful as starting materials for producing polymers and other chemicals.
Answer
Alkenes contain a carbon–carbon double bond that can undergo addition reactions, allowing them to link together to form long polymer chains. The double bond also reacts with many reagents, making alkenes versatile intermediates for synthesising a wide range of chemicals such as plastics, solvents and detergents.
Explanation
The answer demonstrates understanding of the reactivity of the C=C bond and its role in polymerisation and chemical synthesis, directly addressing the learning objective.
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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