See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

(for Q. 29 to 30)   3 2 2 2 Mn NO MnO 2NO    2 2 4 4 2 2 MnO Conc. H SO MnSO O H O             2 4 2 2 O White Brown MnSO NaOH Mn OH MnO OH      2 2 4 4 H Purple PbO MnSO HMnO Pb      2 3 3 4 H Mn NaBiO HMnO Bi       2 4 4 3 H Mn IO HMnO IO        2 Starch Paper NO KI Blue spot  