A) benzoic acid
B) phthalic acid
C) salicylic acid
D) terephthalic acid
Correct Answer: D
Solution :
Terylene is a condensation polymer of ethylene glycol and terephthalic acid. \[\frac{x}{4}\,c{{m}^{-1}}\]\[2x\,c{{m}^{-1}}\]
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