Hydrochloric acid is the reducing agent C. Zinc is oxidized D. Hydrogen in hydrochloric acid is oxidized 相关知识点: 试题来源: 解析 C。解析:反应方程式为Zn + 2HCl = ZnCl₂+ H₂↑。锌的化合价从0升高到 + 2,根据氧化还原反应电子转移的本质,化合价升高的锌失去电子被氧化。
The influence of CnTAB cationic surfactant chain length (n = 8, 10, and 12) on the reaction rate of zinc powder and 0.1 M HCl hydrochloric acid in aqueous solutions was determined at room temperature. Solutions of single surfactants consisting of dodecyl, decyl, and octyl鈥恡rimethyl銈沵...
A. combination reaction B. decomposition reaction C. displacement reaction D. double displacement reaction 相关知识点: 试题来源: 解析 C。锌和盐酸反应生成氯化锌和氢气,是一种置换反应,一种单质置换出另一种单质。选项 A 是化合反应,错误。选项 B 是分解反应,不对。选项 D 是复分解反应,不符合该反应类...
The reaction between zinc and hydrochloric acid produces hydrogen gas. This is a(n) ___ reaction. A. combination B. decomposition C. displacement D. double displacement 相关知识点: 试题来源: 解析 C。锌和盐酸反应生成氢气,这是置换反应。A 选项是化合反应;B 选项是分解反应;D 选项是复分解反应...
When zinc reacts with hydrochloric acid itproduces zinc chloride and hydrogen gas. We can measure therate of the reaction rate of the reaction The reaction rate or rate of reaction isthe speed at which a chemical reaction takes place, defined as proportional to the increase in the concentration...
zinc chloride 美 英 un.〔化〕氯化锌 网络氯化锌电池;锌类 英汉 英英 网络释义 un. 1. 〔化〕氯化锌 例句 更多例句筛选
The reaction can be expressed as:3Zn(NH3)2Cl2+2NH4OH→3Zn+2H2O+6NH4Cl+N2 The impurities in the electrolyte did not affect the current yield like in sulphuric acid electrolyte, and these impurities were co-deposited with zinc. The process is more energy efficient than sulphate electrowinning....
(MO) to give derivatives of the formula MZnOCl2. This reaction is relevant to the utility of Zinc chloride as a flux for soldering - it dissolves oxide coatings exposing the clean metal surface. Typically this flux was prepared by dissolving zinc foil in dilute hydrochloric acid until the ...
calcium and magnesium all work together to make sure your nerves can transmit signals properly.” Chloride works with sodium and potassium to maintain proper fluid balance, but it’s also vital in the creation of stomach acid, officially named hydrochloric acid. Sulfur helps build protein molecules...
PreparationZinc chloride is prepared by the reaction of zinc oxide or zinc metal with dilute hydrochloric acid, followed by crystallization: ZnO + 2HCl → ZnCl2 + H2O Zn + 2HCl → ZnCl2 + H2 Definitionzinc chloride: A white crystalline compound, ZnCl2. The anhydrous salt, which is deliquescent...