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Which one of the following is not correc...

Which one of the following is not correctly matched?

A

Neoprene `[CH_(2)-underset(CI)underset(|)(C)=CH-CH_(2)]_(n)`

B

Nylon -6,6
`[NH-(CH_(2))_(6)-NH-CO-(CH_(2))_(4)-overset(O)overset(||)(C)-O-O]_(n)`

C

D

`PMMA [{:(CH_(2)-overset(CH_(3))overset(|)(C)-),(" "|),(" "COOCH_(3)):}]_(n)`

Text Solution

Verified by Experts

The correct Answer is:
B
Nylon - 6,6 is a copolymer of hexamethyllenediamine:
`{:(nH-NH(CH_(2))_(6)NH-H+nHO-overset(O)overset(||)(C)(CH_(2))_(4)-overset(O)overset(||)(C)-OH),(" "darr),(" "[NH(CH_(2))_(6)NH-overset(O)overset(||)(C)(CH_(2))_(4)overset(O)overset(||)(C)]_(n)):}`
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