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)`

Which one of the following is not correctly matched?A. Neoprene `[CH_(

1.	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)`
Answer» Correct Answer - 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)):}`