MHT CET 2026 Chemistry question

Not in JEE Main or NEET syllabus

Which of the following compounds are used to obtain terylene polymer?

(A)Ethane-1,2-diol and Benzene-1,3 dicarboxylic acid
(B)Propane-1,2-diol and Benzene-1,4 dicarboxylic acid
(C)Ethane-1,2-diol and Benzene-1,4 dicarboxylic acidCorrect
(D)Ethane-1,2-diol and Benzene-1,2 dicarboxylic acid

Answer: (C)

Solution

Terylene (Dacron, polyethylene terephthalate or PET) is formed by condensation polymerisation of ethane-1,2-diol (ethylene glycol) with benzene-1,4-dicarboxylic acid (terephthalic acid) at 420 to 460 K in the presence of zinc acetate/antimony trioxide, with loss of

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Question ID VK-096253