What is true about an end functional group, having a terminal reactive – McqOptions

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1.	What is true about an end functional group, having a terminal reactive centre, of a polymer molecule?
A.	has a greater mobility than the polymer molecule as a whole
B.	has a lower mobility than the polymer molecule as a whole
C.	same as polymer molecule
D.	cannot be determined
Answer» B. has a lower mobility than the polymer molecule as a whole

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