Hút ẩm, làm khô H2SO4 đặc có tác dụng với kim loại không? Kim loại nào phản ứng và sản phẩm là gì?

Due to the oxidizing nature of concentrated sulfuric acid, it reacts with HBr to produce bromine instead of allowing HBr to form. Therefore, we cannot prepare ... Detailed Solution. detailed_solution_thumbnail. It is highly corrosive in nature and also very irritating to inhale. But conc. H2SO4 is not used here because ... Oct 11, 2020 ... You must mix the ascorbic acid powder sample with 1.5 M H2SO4 and KBr. What role do these reagents play in this initial mixing? ajustada: 2 KBr + 2 H2SO4. → Br2 + SO2 + K2SO4 + 2 H2O. b) Los moles de bromuro potásico utilizados son: n (KBr) = = ⋅. = −1. 119. 25 mol g g molesr masa. Oct 13, 2017 ... Ответы1 ... Определим элементы, изменившие степени окисления: это марганец и бром. Составим схему электронного баланса и определим окислитель и ... Dec 16, 2018 ... Взаимодействие KBr и конц H2SO4 · 1. 2KBr + H2SO4 → K2SO4 + 2HBr · 2. 2KBr + 3H2SO4 → 2KHSO4 + Br2 + SO2 + 2H2O. set by the addition of H2SO4. The baselines of the different spectra are offset for clarity. Spectrum a, 4 M KBr in H20; spectrum b, 4 M. KBr in 2H20 ... Feb 4, 2020 ... Answer: Potassium bromide react with sulfuric acid to produce potassium bisulfate, bromine, sulfur dioxide and water. Jan 22, 2023 ... Rather than using hydrobromic acid, you usually treat the alcohol with a mixture of sodium or potassium bromide and concentrated sulfuric acid. KMnO4）是一种强氧化剂，而溴化钾（KBr）是一种易被氧化的化合物。在醋酸中，高锰酸钾和溴化钾反应，高锰酸钾氧化溴化钾，同时自身还原，产生氧气和锰离子，锰离子进一步反应生成棕 ...