A polymer of this functional group and chloride is commonly used in plastic pipes. For 10 points each:
[10m] Name this functional group that's an ethylene molecule missing a hydrogen. A polymer of this group replaced shellac in phonograph records.
ANSWER: vinyl group [or vinyl record; or polyvinyl chloride]
[10h] Vinyl records were largely superseded by CDs, which encode data on a thin layer of aluminum deposited on this type of plastic. These polymers synthesized from BPA and phosgene make up the lenses of safety goggles.
ANSWER: polycarbonates [prompt on PC]
[10e] This molecule consists of a vinyl group attached to a benzene ring. It is the monomer of a stiff, lightweight plastic abbreviated PS.
ANSWER: styrene [or polystyrene]
<June Yin , Science - Chemistry - Organic>