NEET 2014 Chemistry question

Not in JEE Main or NEET syllabus

Which of the following organic compounds polymerizes to form the polyester Dacron?

(1)Propylene and para
(2)Benzoic acid and ethanol
(3)Terephthalic acid and ethylene glycolCorrect
(4)Benzoic acid and para

Answer: (3)

Solution

Dacron (terylene, polyethylene terephthalate) is a condensation polyester made by heating ethylene glycol () with terephthalic acid (-) at 420-460 K in the

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Question ID VK-091555