elements lower oxidation state is favoured by heavier elements. 1 (b) (i)2MnO4-+I-+H2O IO3-+2MnO2+2OH- 1 (ii)2CrO42- + 2H+ --- Cr2O7 2- +H2O 1 (iii)2KMnO4 K2MnO4 +MnO2+O2 26 A= CH3OH 1 B= CH3COOCH3 1 C = HCHO 1 D = HCOOH 1 E = HCONH2 1
elements lower oxidation state is favoured by heavier elements. (b) (i)2MnO4-+I-+H2O IO3-+2MnO2+2OH- (ii)2CrO42- + 2H+ --- Cr2O7 2- +H2O (iii)2KMnO4 K2MnO4 +MnO2+O2 1 1 1 26 A= CH3OH B= CH3COOCH3 C = HCHO D = HCOOH E = HCONH2 1 1 1 1 1
xii-chemistry-ms-pb-ii-17-18.docx