شرکت در آزمون آنلاین شیمی 2 - شیمی 2 | آزمون شماره 5967

اسید و الکل سازندة پلی استری با فرمول کلی زیر کدام می‌باشند؟ \[\begin{array}{l}\,\,\,\,\,\,\,\,\,\,\mathop O\limits_{||} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\mathop O\limits_{||} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\mathop O\limits_{||} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\mathop O\limits_{||} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\mathop O\limits_{||} \\ \cdots - C - {(C{H_2})_3} - C - O - {(C{H_2})_2} - O - C - {(C{H_2})_3} - C - O - {(C{H_2})_2} - O - C - \cdots \end{array}\]