For the following, assign oxidation numbers. Which species is oxidized and which is reduced? Which species...
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)
Homework Answers
increase in oxidation number - oxidation
decrease in oxidation number - reduction
based on that identify the terms as
follows
Add Answer to:
For the following, assign oxidation numbers. Which species is
oxidized and which is reduced? Which species...
1. Provide the oxidation number for each of the underlined elements in following compounds or ions:...
1. Provide the oxidation number for each of the underlined elements in following compounds or ions: (6) a) H3AsO3 b) d) H4P207 C202² KCIO4 N2H4 2. Which one of the following is not a oxidation-reduction reaction? (2) A) 2H2(g) + O2(g) → 2H2O(1) B) Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) C) H2O(l) + NH3(g) → NH(aq) + OH(aq) D) FeSO4(aq) + K2Cr2OH(aq) + 7H2SO4(aq) → Cr2(SO4)3(aq) + 3Fe2(SO4)3(aq) + K2SO4(aq) + 7H2O(1) E) Cl2(g) +2KBr(aq) + Bra(l) + 2KCl(aq)...
POST-LAB QUESTIONS (Students must answer all the post-lab questions in this section) 1. For the following...
POST-LAB QUESTIONS (Students must answer all the post-lab questions in this section) 1. For the following reactions identify: a) 2 Al(s) + 3Cl2(g) 2 AlCl3(s) Substance oxidized: Substance reduced: Oxidizing agent: Reducing agent: b) 8H(aq) + MnO4(aq) + 5Fe2(aq) -5Fe3+ (aq) + Mn2+ (aq) + 4H2O(1 Substance oxidized: Substance reduced: Oxidizing agent: Reducing agent: c) FeS(s) + 3NO3(aq) + 4H*(aq) 3NO(g) + SO42(aq) + Fe (aq) + 2H2O(1) Substance oxidized: Substance reduced: Oxidizing agent: Reducing agent: d) Zn(s) + 2HCl(aq)...
Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the...
Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction. Cl2 + Pb 2Cl- + Pb2+ species oxidized species reduced oxidizing agent reducing agent As the reaction proceeds, electrons are transferred from to .
please answer all of the questions!! 1. Which substance is reduced in the following reaction (1...
please answer all of the questions!!
1. Which substance is reduced in the following reaction (1 point): 2Al(s) + 3C12(g) → 2AlCl3(s) a. Al b. Cl2 c. AICI: d. None 2. Which substance is the reducing agent in the following reaction (1 point): 8H+ (aq) + MnO4 (aq) + 5Fe2+ (aq) → 5Fe3+ (aq) + Mn2+ (aq) + 4H2O(1) a. Fe2+ b. Mn04 c. H+ d. H20 3. Which substance is oxidized in the following reaction (1 point): Fes(s) +...
A. Half-reaction E° (V) Cl2(g) + 2e-2Cl-(aq) 1.360V Sn2+(aq) + 2e-Sn(s) -0.140V Cr3+(aq) + 3e-Cr(s) -0.740V...
A. Half-reaction E° (V) Cl2(g) + 2e-2Cl-(aq) 1.360V Sn2+(aq) + 2e-Sn(s) -0.140V Cr3+(aq) + 3e-Cr(s) -0.740V (1) The strongest oxidizing agent is: enter formula (2) The weakest oxidizing agent is: (3) The weakest reducing agent is: (4) The strongest reducing agent is: (5) Will Cl2(g) oxidize Cr(s) to Cr3+(aq)? (6) Which species can be oxidized by Sn2+(aq)? If none, leave box blank. B. Half-reaction E° (V) Cl2(g) + 2e-2Cl-(aq) 1.360V Cu2+(aq) + 2e-Cu(s) 0.337V Mn2+(aq) + 2e-Mn(s) -1.180V (1) The...
Identify the species (atoms/ elements) undergoing oxidation and reduction in the following equations, assign oxidation numbers...
Identify the species (atoms/ elements) undergoing oxidation and
reduction in the following equations, assign oxidation numbers to
each, and write balanced net ionic equations.
a) Cu(s)
Cu2+(aq) + 2e-
b) Cl2(aq) + 2e-
Cl-(aq)
c) Cu(s) + Cl2(aq)
Cu2+(aq) + 2Cl-(aq)
d) 4CuO(s) + CH4(g)
4Cu(s) + CO2(g) + 2H2O(l)
e) 2CuSO4(aq) + 4KI(aq)
2CuI (aq) + 2K2SO4(aq) +
I2(aq)
f) Cu2O(s) + Fe(SO4)3 (aq) +
H2SO4(aq)
2CuSO4(aq) + 2FeSO4(aq) +
H2O(l)
No handwritten answer, Only typewriting please 1. Answer the following: a) Balance the following oxidation-reaction reaction...
No handwritten answer, Only typewriting please 1. Answer the following: a) Balance the following oxidation-reaction reaction using the half reaction method. Identify each half reaction as reduction or oxidation, and identify in each overall reaction the oxidizing agent and the reducing agent. Cl-(aq) + MnO4-(aq) ⇒ Cl2(g) + MnO2(s) (acidic) Oxidizing agent = reducing agent = (b) Consult the table of reduction potentials in Chapter 19 or Appendix II of your text to determine which of the following species can...
12) Which of the following is true for reaction Cu + ZnCl2 --> CuCl2 + Zn...
12) Which of the following is true for reaction Cu + ZnCl2 --> CuCl2 + Zn ? Write the oxidation numbers of each species above their formula, and write a half-reaction showing what happens to both the Cu and the Zn2+ A) Cu is oxidized B) Zn+2 is reduced C) Cu is a reducing agent D) All of the above statements are correct.
1. 3NiO2 + 2NO+ 4H+ ------------------------3Ni2+ + 2NO3-+ 2H2O In the above redox reaction, use oxidation...
1. 3NiO2 + 2NO+ 4H+ ------------------------3Ni2+ + 2NO3-+ 2H2O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. name of the element oxidized: name of the element reduced: formula of the oxidizing agent: formula of the reducing agent: 2. 2NO2 + Cu2++ 2H2O--------------------------Cu + 2NO3-+ 4H+ In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and...
Which of the following is true for reaction Cu + ZnCl2 —> CuCl2 + Zn ?...
Which of the following is true
for reaction Cu + ZnCl2 —> CuCl2 + Zn ? Write the oxidation
numbers of each species above their formula and write a
half-reaction showing what happens to both the Cu and Zn2+. Please
show work, I want to learn how to do this!
Which of the following is true for reaction Cu + ZnCl2 - numbers of each species above their formula, and write a half-reaction showing what happens to CuCl2 + Zn?...
1. Provide the oxidation number for each of the underlined elements in following compounds or ions: (6) a) H3AsO3 b) d) H4P207 C202² KCIO4 N2H4 2. Which one of the following is not a oxidation-reduction reaction? (2) A) 2H2(g) + O2(g) → 2H2O(1) B) Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) C) H2O(l) + NH3(g) → NH(aq) + OH(aq) D) FeSO4(aq) + K2Cr2OH(aq) + 7H2SO4(aq) → Cr2(SO4)3(aq) + 3Fe2(SO4)3(aq) + K2SO4(aq) + 7H2O(1) E) Cl2(g) +2KBr(aq) + Bra(l) + 2KCl(aq)...
POST-LAB QUESTIONS (Students must answer all the post-lab questions in this section) 1. For the following reactions identify: a) 2 Al(s) + 3Cl2(g) 2 AlCl3(s) Substance oxidized: Substance reduced: Oxidizing agent: Reducing agent: b) 8H(aq) + MnO4(aq) + 5Fe2(aq) -5Fe3+ (aq) + Mn2+ (aq) + 4H2O(1 Substance oxidized: Substance reduced: Oxidizing agent: Reducing agent: c) FeS(s) + 3NO3(aq) + 4H*(aq) 3NO(g) + SO42(aq) + Fe (aq) + 2H2O(1) Substance oxidized: Substance reduced: Oxidizing agent: Reducing agent: d) Zn(s) + 2HCl(aq)...
please answer all of the questions!!
1. Which substance is reduced in the following reaction (1 point): 2Al(s) + 3C12(g) → 2AlCl3(s) a. Al b. Cl2 c. AICI: d. None 2. Which substance is the reducing agent in the following reaction (1 point): 8H+ (aq) + MnO4 (aq) + 5Fe2+ (aq) → 5Fe3+ (aq) + Mn2+ (aq) + 4H2O(1) a. Fe2+ b. Mn04 c. H+ d. H20 3. Which substance is oxidized in the following reaction (1 point): Fes(s) +...
Identify the species (atoms/ elements) undergoing oxidation and
reduction in the following equations, assign oxidation numbers to
each, and write balanced net ionic equations.
a) Cu(s)
Cu2+(aq) + 2e-
b) Cl2(aq) + 2e-
Cl-(aq)
c) Cu(s) + Cl2(aq)
Cu2+(aq) + 2Cl-(aq)
d) 4CuO(s) + CH4(g)
4Cu(s) + CO2(g) + 2H2O(l)
e) 2CuSO4(aq) + 4KI(aq)
2CuI (aq) + 2K2SO4(aq) +
I2(aq)
f) Cu2O(s) + Fe(SO4)3 (aq) +
H2SO4(aq)
2CuSO4(aq) + 2FeSO4(aq) +
H2O(l)
12) Which of the following is true for reaction Cu + ZnCl2 --> CuCl2 + Zn ? Write the oxidation numbers of each species above their formula, and write a half-reaction showing what happens to both the Cu and the Zn2+ A) Cu is oxidized B) Zn+2 is reduced C) Cu is a reducing agent D) All of the above statements are correct.
Which of the following is true
for reaction Cu + ZnCl2 —> CuCl2 + Zn ? Write the oxidation
numbers of each species above their formula and write a
half-reaction showing what happens to both the Cu and Zn2+. Please
show work, I want to learn how to do this!
Which of the following is true for reaction Cu + ZnCl2 - numbers of each species above their formula, and write a half-reaction showing what happens to CuCl2 + Zn?...
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