Identify the oxidation-reduction reaction among the following: Zn(s)+CuBr2(aq)>ZnBr2(aq) + CU (s), 2Na(s)+Cl29(aq) > 2NaCl(s). 2Mg(s) + O2(g) > 2MgO(s). A) 1and 2 only, B) 1and 3 only, C 2 and 3 only D). all . E) None of the above
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Identify the oxidation-reduction reaction among the following: Zn(s)+CuBr2(aq)>ZnBr2(aq) + CU (s), 2Na(s)+Cl29(aq) > 2NaCl(s). 2Mg(s) +...
Part A Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+ (aq) → Zn2+(aq) + Cu(s) 2. 2 Na(s) + Cl2(aq) + 2NaCl(s) 3.2 Mg(s) + O2(g) → 2 Mgo О O 0 1 and 3 only 2 and 3 only 1 and 2 only All of 1, 2, and 3 O None of 1, 2, and 3 Submit Request Answer Provide Feedback
12) 12) As defined in the text, identify the "gas evolution" reactions among the following 1. 2HCl(aq) +K2CO3(aq) --H2O(l) + CO2(g) + 2Cl(aq) 2. CH4(g)+202(g) + CO2(g) + 2H2O(1) 3. 2HCl(aq) +K2S(aq) -- H2S(g)+2KCl(aq) A) 1 and 2 only B) 1 and 3 only C) 2 and 3 only D) All of 1, 2, and 3 E) None of 1, 2, and 3 13) 13) Identify the oxidation-reduction reactions among the following: 1. Zn(s)+Cu2(aq) -- Zn2+aq) + Cu(s) 2. 2...
4. Which of the following statements about the voltaic cell shown below is correct? Zn(s)[Zn** (aq)|| Cu** (aq)|Cu(s) (a) The oxidation half-reaction is clearly Zn(s) ® Zn** (aq) + 2 e. (b) The oxidation half-reaction is clearly Zn() Zn" (aq) +le. (C) The oxidation half-reaction could not be anything other than Cu(s) ® Cu (aq) +2 e. (d) It is obvious that the oxidation half-reaction is Zn(s) ® Cu(s). 5. Which of the following statements about the voltaic cell shown...
46. Which species in the reaction below undergoes reduction? H2O(g) + CO(g) -H2(g) + CO2(g) a. H20 b.CO CH2 d. co2 e. None 47. Which species is reduced in the reaction below? (aq) + CIO (aq) + 10 (aq) + C (aq) a. b. H20 c.cr d. 10 e. CIO 48. Which of the following elements generally acts as an oxidizing agent? a. Br2 b.H2 c. Fed . C e. Li 49. What is the oxidation number of Fe in...
Identify the oxidation half reaction of Zn(s). Select one: O Zn(s) + Cu2+ (aq) → Zn2+ (aq) + Cu(s) O Zn²+ (aq) + 2e + Zn(s) Zn(s) → Zn2+ (aq) + 2 e Zn(s) → Zn2+ (aq) +e
1. For the oxidation-reduction reaction Zn(s) + 2HNO3 (aq) → H2(g) + Zn(NO3)2 (aq) Hint: HNO3 a) provide equation for the oxidation half-reaction: b) provide equation for the reduction half-reaction: In the given equation above or in your answers to a) and b): c) label the substance which is oxidizing agent, d) label the substance which is reducing agent.
7) In the following reaction, Mg(s) + Cu²+ (aq) → Mg2+ (aq) + Cu (s): A) Mg is the reducing agent and Cu is the oxidizing agent. B) Mg²+ is the reducing agent and Cu is the oxidizing agent. C) Cu is the reducing agent and Mg?is the oxidizing agent. D) Cu²+ is the reducing agent and Mg is the oxidizing agent. E) Mg is the reducing agent and Cuis the oxidizing agent. 8) In the following reaction, Zn (s)...
Question 1: Consider the following oxidation-reduction reaction: I−(aq)+Cu+(aq)→IO4−(aq)+Cu(s) A: What are the initial and final oxidation states of iodine? B: What are the initial and final oxidation states of copper? C: What element is reduced? D:What is the reducing agent? E: What element is oxidized? F: What is the oxidizing agent? G: Give the atom- and electron-balanced oxidation half-reaction occurring in acidic solution. Express your answer as a chemical equation. Include all phases. H: Give the atom- and electron-balanced reduction...
5. (12 points) For the following oxidation reduction reaction: Zn(s)+NO3 (aq) > Zn2*(aq) + N2(g) + H20 a. What are the oxidation numbers of the reactants and products? Oxidation Number in products Element Oxidation Number in reactants Zn N b. Write the balanced oxidation half-reaction and the reduction half-reaction. (in acid medium) Balanced oxidation half-reaction: Balanced reduction half-reaction: Write the balanced full reaction c.
68) Identify the double displacement reactions among the following: 1. KCl(aq) + AgNO3(aq) AgCl(s) + KNO3(aq) 2. Na2sO4(aq)+ BáCI2(a) BaSO4(8)+2NaCl(aq) 3. H25O4((aq) + 2NaOH(aq)-> Na2So4(aq)+2H20(1) A) 1 and 2 only B) 1 and 3 only C) 2 and 3 only D) All of 1, 2, and 3 E) None of 1, 2, and 3 68) Identify the double displacement reactions among the following: 1. KCl(aq) + AgNO3(aq) AgCl(s) + KNO3(aq) 2. Na2sO4(aq)+ BáCI2(a) BaSO4(8)+2NaCl(aq) 3. H25O4((aq) + 2NaOH(aq)-> Na2So4(aq)+2H20(1) A)...