AQA AS CHEMISTRY PAPER 2 JUNE 2022 QUESTION PAPER (7404/2: Organic and Physical Chemistry)

AQA AS CHEMISTRY PAPER 2 JUNE 2022 QUESTION PAPER (7404/2: Organic and Physical Chemistry). DOWNLOAD AS Chemistry Paper 1 June 2022 on Hackedexams.com INSTANTLY. Section A box Answer all questions in this section. 0 1 This question is about rates of reaction. Potassium manganate(VII), KMnO4, reacts with sodium ethanedioate, Na2C2O4, in the presence of dilute sulfuric acid. 2 MnO4 –(aq) + 16H+(aq) + 5C2O4 2–(aq) → 2 Mn2+(aq) + 8H2O(l) + 10CO2(g) The reaction mixture is purple at the st...