Web元素铬(Cr)在溶液中主要以Cr3+(蓝紫色)、Cr(OH)4—(绿色)、Cr2O72—(橙红色)、CrO42—(黄色)等形式存在,Cr(OH)3为难溶于水的灰蓝色固体,回答:. … WebAboutTranscript. When balancing equations for redox reactions occurring in basic solution, it is often necessary to add OH⁻ ions or the OH⁻/H₂O pair to fully balance the equation. In this video, we'll walk through this process for the reaction between ClO⁻ and Cr (OH)₄⁻ in basic solution. Created by Jay. Sort by:
Solved Balance the following reaction in basic Chegg.com
Web各个价态的铬的化合物或离子的颜色. Cr [铬]:蓝白色金属. Cr2O3 [三氧化二铬]:绿色固体. Cr (OH)3 [氢氧化铬]:灰蓝色固体. Cr2 (SO4)3 [硫酸铬]:桃红色固体. Cr (2+) [二价铬离 … Web氢氧化亚铬是一种化学品,化学式Cr(OH)₂,外观棕褐色沉淀。 overflow settings css
Solubility of Hydroxides, Metal hydroxides Precipitates, Colours
WebAqueous sodium hypochlorite (NaOCl, household bleach) is a strong oxidizing agent that reacts with chromite ion [Cr (OH)4 -] in basic aqueous solution to yield chromate ion CrO4 2- and chloride ion Cl-. The next ionic equation is: ClO - (aq) + Cr (OH)4 - (aq) ------> CrO4 2- (aq) + Cl - (aq) Unbalanced. Balance the equation using the method ... WebApr 27, 2024 · Tlenek chromu (III) Cr 2 O 3. szarozielona substancja. trwały związek. posiada właściwości amfoteryczne – reaguje z mocnymi kwasami i zasadami. Cr 2 O 3 + 6HCl → 2CrCl 3 + 3H 2 O. Cr 2 O 3 + 2NaOH + 3H 2 O → 2Na [Cr (OH) 4] Tlenek ten powstaje podczas termicznego rozkładu wodorotlenku chromu (III): 2Cr (OH) 3 → Cr 2 O … WebThis problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: What is the oxidation state of chromium in the complex ion [Cr (OH)4]− ? Select one: a. +1 b. −1 c. +3 d. +4 e. +2. What is the oxidation state of chromium in the complex ion [Cr (OH) 4] − ? overflow shelter winsted ct