What is the monomer unit of PVC?

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Study for the IGCSE Organic Chemistry Test. Engage with flashcards and multiple-choice questions, complete with hints and detailed explanations. Prepare effectively to excel in your exam!

Multiple Choice

What is the monomer unit of PVC?

Explanation:
PVC is made by polymerizing vinyl chloride. The monomer that links to form PVC is vinyl chloride, which has the structure CH2=CHCl. When these units join, the double bond opens and the repeating unit in the polymer chain becomes -CH2-CHCl-. This is what the polymer chain is built from, giving polyvinyl chloride. The other options would produce different polymers: ethylene would give polyethylene, styrene would give polystyrene, and propene would give polypropylene.

PVC is made by polymerizing vinyl chloride. The monomer that links to form PVC is vinyl chloride, which has the structure CH2=CHCl. When these units join, the double bond opens and the repeating unit in the polymer chain becomes -CH2-CHCl-. This is what the polymer chain is built from, giving polyvinyl chloride. The other options would produce different polymers: ethylene would give polyethylene, styrene would give polystyrene, and propene would give polypropylene.

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