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Polymers — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryPolymers2 Marks
Question
What is the repeating unit in the condensation polymer obtained by combining $HO_2CCH_2CH_2CO_2H$ (succinic acid) and $H_2NCH_2CH_2NH_2$ (ethylene diamine).
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Answer

$\text{nH}_{2}\text{OCCH}_{2}\text{CH}_{2}\text{CO}_{2}\text{H}+\text{nH}_{2}\text{NCH}_{2}\text{CH}_{2}\text{NH}_{2}\rightarrow\left\{\text{OC-CH}_{2}\text{-CH}_{2}\text{-CO-NH-CH}_{2}\text{CH}_{2}\text{-NH-}\right\}n$

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