the element reduced is (B) Chromium
In the following chemical reaction, which element is reduced? Cr20-2- + H+ + 1 = Cr3+...
In the following balanced reaction equation, identify which element is being reduced, which element is being oxidised and how many electrons are being transferred in the reaction. 3CH3CH2OH + 2Cr2O7 2− + 16H+ ⇌ 3CH3COOH + 4Cr3+ + 11 H2O (A) Cr reduced, C oxidised, 4 e− transferred (B) C reduced, H oxidised, 3 e− transferred (C) Cr reduced, H oxidised, 4 e− transferred (D) Cr reduced, C oxidised, 12 e− transferred (E) C reduced, Cr oxidised, 16 e− transferred
a In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation numbers: Ba(s)S(s)BaS (s) barium is reduced; sulfur is reduced barium is reduced; sulfur is oxidized barium is oxidized; sulfur is oxidized barium is oxidized; sulfur is reduced Submit b In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation number 2Sr(s)02(g)> 2SrO(s) strontium is reduced; oxygen is reduced strontium is oxidized; oxygen is reduced strontium is oxidized;...
chem ll For the reaction KCIO, — KCI + O2 assign oxidation numbers to each element on each side of the equation. K in KCIO: K in KCI: Question 1 of 18 > Cl in KCIO,: Clin KCI: O in KCIO, O in 0,: Which element is oxidized? Which element is reduced? OCI OK Oo ОСІ O in KCIO, in 0,: Which element is reduced? Which element is oxidized? ОСІ Ок Оо ОСІ Ок ОО In a hydrogen fuel cell,...
6. For each of the following, enter the chemical symbol of the element. 1. Which element is oxidized in this reaction? ZnO + C+ Zn + CO 2. Which element is reduced in this reaction? 2 Cr(OH)3 + 3 OCT + 4 OH → 2 Cro.?- + 3 CF + 5 H20 Now, for the following reaction, write your answer as a chemical formula: 3. Which substance is the oxidizing agent in this reaction? ZnO + C+ Zn + CO...
For each reaction, identify the element that gets reduced and the element that gets oxidized. 2 AgCl + Zn -- 2 Ag + ZnCl, Identify the element that gets reduced. Identify the element that gets oxidize O silver O zinc chlorine Ochlorine O zinc O silver 4 NH, +30, 2N2 + 6H20 Identify the element that gets reduced. Identify the element that gets oxidized. O nitrogen oxygen hydrogen hydrogen oxygen nitrogen Feo, + 2 AL - ALO, + 2 Fe...
In the reaction H 2O + CO 2 → H 2CO 3, which element was oxidized? A. hydrogen B. carbon C. oxygen D. None of the elements were oxidized.
20) The unbalanced chemical equation for the reaction to form Ag[Cr20) is Crdt + 5,0.- +H50+ AgNO, Aer 0,1 +502 +H+NO, Balance the equation. Determine which atoms were oxidised and which reduced in the reaction.
For each reaction, identify the element that gets reduced and the element that gets oxidized. 2 AgCl + Zn +2 Ag + ZnCl, Identify the element that gets reduced. Identify the element that gets oxidized. O chlorine O zinc silver O chlorine silver zinc 4NH, +30, 2N, +6H,O Identify the element that gets reduced. Identify the element that gets oxidized. hydrogen O oxygen O nitrogen hydrogen oxygen nitrogen O Fe,0, +2 Al-A1,0, +2 Fe Identify the element that gets reduced....
5) Determine which element is oxidized and which element is reduced in the following redox reactions. (4) Fe2O3 + CO ® Fe + CO2 Element oxidized ____________________ Element reduced _________________ Cr2O72- + H2C2O4 ® Cr3+ + CO2 Element oxidized ____________________ Element reduced ___________________ 6) Determine the balanced molecular, ionic and net ionic equations for the following single displacement (replacement) reaction. (9) (ME) Al(s) + HCl(aq) ® (IE) (NIE)
art A In the following reaction, which element is oxidized? CH3 CHO+H2O2CH3 COOH+H20 Express your answer as a chemical symbol. ΑΣφ ? Submit Request Answer Part B In the following reaction, which element is reduced? CH3 CHO+ H2O2 CH3 COOH + H2O Express your answer as a chemical symbol. ΑΣφ ? In the following reaction, which element is oxidized? 2 C2 H5 OH+ 2 Na 2 C2 H5 ONa + H2 Express your answer as a chemical symbol. ΑΣΦΦ ?...