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Question

Which of the following options is/are true about the polymer terylene?

A
It is a co-polymer
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B
It is a condensation polymer
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C
It is a polyester
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D
Its monomers are ethane-1,2-diol and phthalic acid
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Solution

The correct options are
A It is a co-polymer
B It is a condensation polymer
C It is a polyester
a) Copolymers are those which are formed from two or more different monomers. The monomers of terylene are terephthalic acid and ethylene glycol. So, it is a copolymer.
b) It is a condensation polymer as during polymerization, water molecules is removed.
c) Polyesters are a class of polymers which contain ester groups in their main chain. So, terylene is a polyester.
d) The monomers of terylene are terephthalic acid and ethane-1,2-diol.



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