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(B) $Terylene$ (also known as $Dacron$) is a polyester fiber.It is prepared by the condensation polymerization of $Ethylene \ glycol$ $(HO-CH_2-CH_2-O

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Ethylene glycol and Terephthalic acid

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(B) $Terylene$ (also known as $Dacron$) is a polyester fiber.It is prepared by the condensation polymerization of $Ethylene \ glycol$ $(HO-CH_2-CH_2-OH)$ and $Terephthalic \ acid$ $(HOOC-C_6H_4-COOH)$.The reaction is as follows:$n(HO-CH_2-CH_2-OH) + n(HOOC-C_6H_4-COOH) \rightarrow -[O-CH_2-CH_2-O-CO-C_6H_4-CO]_n- + 2nH_2O$Therefore,the correct monomers are $Ethylene \ glycol$ and $Terephthalic \ acid$.

Identify the monomers used for the manufacturing of $Terylene$.

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