O-LevelChemistryOrganic Chemistry5070/11 · Oct/Nov 2022 · Q391 Mark
The monomer, CH3CH=CHCH3, can be used to make an addition polymer. This addition polymer has a chain of carbon atoms joined to each other by C–C single bonds. Each of these carbon atoms is also bonded to at least one other atom or group of atoms. These are called side groups. Which statement describes the carbon atoms in the polymer chain made from CH3CH=CHCH3?
AEvery carbon atom in the chain has one –CH3 and one hydrogen atom as side groups.
BEvery carbon atom in the chain is joined to a CH3–CH– side group.
CEvery carbon atom in the chain is joined to either two –CH3 or to two hydrogen atoms as side groups.
DEvery carbon atom in the chain is joined to hydrogen atoms only as side groups.
✓ Correct answer
A: Every carbon atom in the chain has one –CH3 and one hydrogen atom as side groups.
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