MHT CET 2024 Chemistry question
Not in JEE Main or NEET syllabus
Which from following polymers needs dihydric alcohol and aromatic dicarboxylic acid for it's synthesis ?
Answer: (B)
Solution
Dacron (terylene, polyethylene terephthalate) is a condensation polyester made by heating ethylene glycol (a dihydric alcohol) with terephthalic acid (benzene-1,4-dicarboxylic acid, an aromatic dicarboxylic acid) at 420-460 K with a catalyst (zinc acetate with antimony trioxide). Hence
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