6. Chemical Quantities & Aqueous Reactions
Balancing Redox Reactions: Acidic Solutions
6. Chemical Quantities & Aqueous Reactions
Balancing Redox Reactions: Acidic Solutions - Video Tutorials & Practice Problems
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Balancing Redox Reactions requires a new approach that accounts for the transfer of electrons between reactants.
Balancing Acidic Redox Reactions
1
concept
Balancing Redox Reactions: Acidic Solutions
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Acidic Redox Reactions generally have the presence of an H+ ion.
2
example
Balancing Redox Reactions: Acidic Solutions Example 1
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3
example
Balancing Redox Reactions: Acidic Solutions Example 2
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4
Problem
ProblemBalance the following redox reaction in an acidic solution.
Cl2 (g) + S2O32- (aq) → Cl- (aq) + SO42- (aq)
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4mPlay a video:
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5
Problem
ProblemWhat is the coefficient of Fe3+ when the following reaction is balanced?
Bi3+ (aq) + Fe3+ (aq) + H2O (l) → BiO3- (aq) + Fe2+ (aq) + H+ (aq)
A
1
B
2
C
3
D
4
E
6
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PRACTICE PROBLEMS AND ACTIVITIES (61)
- Which of the following unbalanced half-reactions is correctly labeled as an oxidation or reduction? (a) NO3- ...
- What is the coefficient on Sn2_ when the following reaction is balanced in acidic solution? (a) 2 (b) 4 (c) 5...
- Complete and balance the following half-reactions. In each case, indicate whether the half-reaction is an oxid...
- Complete and balance the following half-reactions. In each case indicate whether the half-reaction is an oxida...
- Complete and balance the following equations, and identify the oxidizing and reducing agents: (d) As2O31s2 + N...
- Complete and balance the following equations, and identify the oxidizing and reducing agents: (a) Cr2O72-1aq2 ...
- Complete and balance the following equations, and identify the oxidizing and reducing agents. (Recall that the...
- Balance each redox reaction occurring in acidic aqueous solution. c. BrO3-(aq) + N2H4(g) ¡ Br-(aq) + N2(g)
- Balance each redox reaction occurring in acidic aqueous solution. a. K(s) + Cr3+(aq) ¡ Cr(s) + K+(aq)
- Balance each redox reaction occurring in acidic aqueous solution. c. MnO4-(aq) + Al(s) ¡ Mn2+(aq) + Al3+(aq)
- Balance each redox reaction occurring in acidic aqueous solution. a. Zn(s) + Sn2+(aq) ¡ Zn2+(aq) + Sn(s)
- Balance each redox reaction occurring in acidic aqueous solution. b. Mg(s) + Cr3+(aq) ¡ Mg2+(aq) + Cr(s)
- Balance each redox reaction occurring in acidic aqueous solution. a. I-(aq) + NO2-(aq) ¡ I2(s) + NO(g)
- Balance each redox reaction occurring in acidic aqueous solution. c. NO3-(aq) + Sn2+(aq) ¡ Sn4+(aq) + NO(g)
- Classify each of the following unbalanced half-reactions as either an oxidation or a reduction. (d) SbCl4-(aq...
- Classify each of the following unbalanced half-reactions as either an oxidation or a reduction. (b) Pt2+ (aq)...
- Classify each of the following unbalanced half-reactions as either an oxidation or a reduction. (a) HLCO(aq) ...
- Classify each of the following unbalanced half-reactions as either an oxidation or a reduction. (c) Cr(s) -&g...
- Classify each of the following unbalanced half-reactions as either an oxidation or a reduction. (d) CH3OH(aq)...
- Classify each of the following unbalanced half-reactions as either an oxidation or a reduction. (b) H2O2(aq) ...
- Classify each of the following unbalanced half-reactions as either an oxidation or a reduction. (a) O2(g) -&g...
- Classify each of the following unbalanced half-reactions as either an oxidation or a reduction. (c) MnO4-(aq)...
- Balance the half-reactions in Problem 19.42, assuming that they occur in acidic solution.
- Write unbalanced oxidation and reduction half-reactions for the following processes. . (b) H2O2(aq) + Fe2+(aq...
- Write unbalanced oxidation and reduction half-reactions for the following processes. . (a) Te(s) + NO3-(aq) -...
- Write unbalanced oxidation and reduction half-reactions for the following processes. . (b) Mn3+(aq) -> MnO...
- Write unbalanced oxidation and reduction half-reactions for the following processes. . (a) Mn(s) + NO3-(aq) -...
- Write balanced net ionic equations for the following reactions in acidic solution. (c)
- Write balanced net ionic equations for the following reactions in acidic solution. (b)
- Write balanced net ionic equations for the following reactions in acidic solution. (a)
- Write balanced net ionic equations for the following reactions in acidic solution. (c)
- Write balanced net ionic equations for the following reactions in acidic solution. (b)
- Write balanced net ionic equations for the following reactions in acidic solution. (a)
- Given the following reduction half-reactions: Fe3+1aq2 + e- ¡ Fe2+1aq2 E°red = +0.77 V S2O62 - 1aq2 + 4 H+1aq2...
- A galvanic cell is constructed from a Zn/Zn2+ half-cell (anode) and a Cl2/Cl- half-cell (cathode). (b) Write b...
- A disproportionation reaction is an oxidation–reduction reaction in which the same substance is oxidized and r...
- Consider the unbalanced redox reaction: Cr2O72-(aq) + Cu(s) ¡ Cr3+(aq) + Cu2+(aq) Balance the equation and det...
- The discovery of hafnium, element number 72, provided a controversial episode in chemistry. G. Urbain, a Frenc...
- Consider the following unbalanced oxidation-reduction reactions in aqueous solution: Ag+1aq2 + Li1s2¡ Ag1s2 + ...
- Consider the following unbalanced oxidation-reduction reactions in aqueous solution: Ag+1aq2 + Li1s2¡ Ag1s2 + ...
- Zinc is attached to a ship's steel propeller to prevent the steel from rusting. Write balanced equations for t...
- Chlorine can be prepared in the laboratory by the reaction of hydrochloric acid and potassium permanganate. (a...
- (b) Calculate the concentrations of all ions in the solution after reaction. Check your concentrations to make...
- Given the following standard reduction potentials at 25 °C, (a) balance the equation for the reaction of H2MoO...
- To 100.0 mL of a solution that contains 0.120 M Cr(NO3)2 and 0.500 M HNO3 is added to 20.0 mL of 0.250 M K2Cr2...
- Sodium nitrite, NaNO2, is frequently added to processed meats as a preservative. The amount of nitrite ion in ...
- Sodium nitrite, NaNO2, is frequently added to processed meats as a preservative. The amount of nitrite ion in ...
- (c) The brass sample in part (b) yielded 0.246 g of Zn2P2O7. What is the mass percent zinc in the brass?
- (b) When a brass sample with a mass of 0.544 g was sub-jected to the preceding analysis, 10.82 mL of 0.1220 M ...
- Brass is an approximately 4:1 alloy of copper and zinc, along with small amounts of tin, lead, and iron. The m...
- (d) Balance all equations.
- On heating a 0.200 g sample of a certain semimetal M in air, the corresponding oxide M2O3 was obtained. When t...
- On heating a 0.200 g sample of a certain semimetal M in air, the corresponding oxide M2O3 was obtained. When t...
- (c) What is the identity of the semimetal M?
- Write a balanced overall reaction from these unbalanced half-reactions. Cu ⟶ Cu2+ Ag+ ⟶ Ag
- Complete and balance the following half-reaction in acidic solution
- Which is an important step in the alternate method for balancing equations in redox reactions?
- What is the oxidizing agent in the reaction Zn + 2 H+ → Zn2+ + H2?
- Write a balanced overall reaction from these unbalanced half-reactions. In ⟶ In3+ Cd2+ ⟶ Cd
- Write a balanced overall reaction from these unbalanced half-reactions. In⟶In3+ Cd2+⟶Cd
- In the equation PbO2 + 4 HCl → 2 H2O + PbCl2 + Cl2, how many electrons are transferred?