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Which one of the following structures represents nylon 6,6 polymer?
A
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B
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C
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D
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Explanation
Nylon 6,6: –CO(CH₂)₄CO–NH(CH₂)₆NH– repeat unit.
Detailed Solution
$HOOC-(CH_2)_4-COOH$ (adipic acid) $+ H_2N-(CH_2)_6-NH_2$ (hexamethylene diamine) $\xrightarrow{Polymerisation}$ $[-CO-(CH_2)_4-CO-NH-(CH_2)_6-NH-]_n$
So nylon 6,6 is the polyamide of adipic acid and hexamethylenediamine.
So nylon 6,6 is the polyamide of adipic acid and hexamethylenediamine.