JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Dacron is obtained by the condensation polymerization of

(A)Dimethyl terephthalate and ethylene glycolCorrect
(B)Terephthalic acid and formaldehyde
(C)Phenol and phthalic acid
(D)Phenol and formaldehyde

Answer: (A)

Solution

Commercially, Dacron is prepared by the ester-interchange condensation of dimethyl terephthalate with ethylene glycol, releasing methanol as the by-product and forming the

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Question ID VK-151357