4. In each of the following reactions, identify the elements being oxidized or reduced, a) 4...
3. In the following reactions, identify which of the elements are oxidized and which are reduced and enter the name of the element on the line. (3 points for each equation, 9 points total) a. 2Ca(s) + O2(g) - Cal is oxidized is reduced b. MnO2 (aq) + 4 HBr(aq) -Bra(l) + MnBr2 (aq) + 2 H2O(0) is oxidized is reduced C. Cl2(g) +2 NaBr(ag) 2NaCl(aq) + Br2 () (Here Cl is chlorine) is oxidized is reduced
4. (6 pts.) Oxidation-Reduction Reactions: write out two ways you can identify the species that has been oxidized in a redox reaction: b. Identify the element reduced and the element oxidized in the following oxidation- reduction reactions. Fe(s) + CuCl2(aq) FeCl2(aq) + Cu(s) Element Oxidized: Element Reduced: C(s) + O2(g) → C02(g) Element Oxidized: Element Reduced:
Identify what is being oxidized and reduced in: 1. Cu(s)+CaCl2 2. Cu(s)+CuCl2 3.Cu(s)+MgCl2 4.Cu(s)+ZnCl2 5. Cu(s)+AlCl3 1. Mg(s)+CaCl2 2. Zn(s)+CuCl2
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...
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....
Identify which substance is oxidized and which substance is reduced in each of the following redox reactions. a. 2A1 + 3Cl2 → 2AICI: b. Zn + CuCl2 → ZnCl2 + Cu c. 2NiS + 302 → 2NiO + 2S02 d. 3H2S + 2HNO3 → 3S + 2NO + 4H,0
Identify the reduced substance, the oxidized substance, the reducing agent, and the oxidizing agent in the reaction of zinc with copper ions. Zn(s)+Cu2+(aq)⟶Zn2+(aq)+Cu(s)
For the following, assign oxidation numbers. Which species is oxidized and which is reduced? Which species is the oxidizing agent and which is the reducing agent? (A) Zn(s) + CuCl2(aq) Cu(s) + ZnCl2 (B) MnO2 (s) + 4H+(aq) + 2Cl-(aq) Mn2+(aq) + 2H2O(l) + Cl2(g) (C)Zn(s) + 2HCl(aq)ZnCl2(aq) + H2(g)
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent. 1.2 Mg(s) + O2(g) → 2 MgO (s) 2. H SO. (aq) + Al(OH) (aq) → Al(SO.) (aq) + H,O (1) 3. 2 Na (s) + H2O (1) ► 2 NaOH(aq) + H2(g) 4. Cao (s) + CO2(g) → Caco, (s) 5. AgNO, (aq) + NaCl (aq) ► AgCl(s) + NaNO, (aq) Identify the substance oxidized, the...
In each of the following reactions, identify the reactant that is oxidized and the reactant that is reduced: (its multiple choice) Number 1: Br2(g)+2KI(aq)→2KBr(aq)+I2(s) I− (in KI) loses electrons and is oxidized. Br2 gains electrons and is reduced. Br2 gains electrons and is oxidized. I− (in KI) loses electrons and is reduced. I− (in KI) gains electrons and is oxidized. Br2 loses electrons and is reduced. Br2 loses electrons and is oxidized. I− (in KI) gains electrons and is reduced....