Exam (elaborations)
2024 Latest Update AQA A-level CHEMISTRY Version: 1.0 Final 7405/3 Paper 3 Question Paper + Mark scheme (Merged) Expert Verified
0 1 This question is about ethanedioic acid (HOOCCOOH) and the ethanedioate ion (−OOCCOO−). 0 1 . 1 Ethanedioic acid reacts with propane-1,3-diol (HOCH2CH2CH2OH) to form a polyester. Draw the repeating unit of this polyester. [2 marks] 0 1 . 2 Explain why ...
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