Write the structural formula of four unit of the polymer made from the reaction of H2N-(CH2)4-NH2 and HOOCCOOH

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Indicate the repeating unit of the polymer.

2007-12-06 04:11:52 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

--(OCNH-(CH2)2-NHCO)--

2007-12-06 04:27:02 · answer #1 · answered by Dr Dave P 7 · 0⤊ 0⤋

H2N-C4H8-NH-.OCCO.-NH-C4H8......-NH2
a molecule of water is condensed at each -NH2/COOH position.

2007-12-06 12:24:41 · answer #2 · answered by cattbarf 7 · 0⤊ 0⤋