Which redox reaction is the correct reaction for the electrolysis of potassium iodide solution with phenolphthalein pink and starch indicators? 21+ H₂ + 2OH- → O₂ + 4H+ + 2 Zn 2 Zn²+ + 2 H₂O → O₂ + 4 H+ + 2 Zn OH- + H₂ + 12 → 21- + 2H₂O 21+ 2 H₂O → 12 + 2 OH- + H₂

Which redox reaction is the correct reaction for the electrolysis of potassium iodide solution with phenolphthalein pink and starch indicators? 21+ H₂ + 2OH- → O₂ + 4H+ + 2 Zn 2 Zn²+ + 2 H₂O → O₂ + 4 H+ + 2 Zn OH- + H₂ + 12 → 21- + 2H₂O 21+ 2 H₂O → 12 + 2 OH- + H₂

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Write the two half-reactions that make up the followingbalanced redox reaction.3 H 2 C 2 O 4 + 2HAs…

A: Redox reaction is defined as the reaction in which oxidation and reduction take place…

Q: Balance the following redox equation by the ion-electron method: $₂0 +₂2 (in acidic solution) -…

A: In ion-electron method the redox equation is separated into two half-equations.One for oxidation and…

Q: Write the balanced oxidation and reduction half reactions for this reaction

A: Balanced Half-Reactions for the Reaction: + 6H6 + 3H₂OThis reaction involves the oxidation of iodide…

Q: Balance the following reaction in acidic conditions I+NO₂ →1₂+NO 2 A impossible to balance. B C 2 D…

A: Redox reactions are those reactions in which both oxidation and reduction occur

Q: Balance the following redox reaction, show all steps:

Q: How do I balance the redox reaction: 3H2O + Se + 2Cd2+ -> 2Cd + SeO32- + 6H+?

A: Steps to balance redox reaction : 1: write oxidation and reduction half reaction 2:balance oxidation…

Q: Balance the following redox reactions that occur under acidic conditions.

A: Given : redox reaction

Q: Write the half - reaction of each redox reaction and determine the oxidizing and reducing agent. 4.…

Q: Balance the following redox reaction in basic solution. MnO-4 + S^2 = MnO2 + S

A: In this question we have to balanced the redox reaction in basic solution.

Q: 6. Complete and balance the following redox equation. The sum of the smallest whole-number…

A: For balancing of redox reaction both atom and charge must be balanced.

Q: Balance the following redox in acidic media C2O42- (aq) + MnO4- (aq) → CO2(aq) + Mn2+ (aq)

A: The answer to the given question is as follows.... First we equate the number of respective atoms on…

Q: Balance the following Redox reactions using the half reaction method. 1) Assign oxidation number to…

Q: C2H6O + Cr2O72– ® C2H4O2 + Cr3+ what is the redox reaction in acidic conditions

A: Let's try to balance the reaction in acidic solution. Step 1: DIVIDE THE REACTION INTO HALF…

Q: Write down the balanced redox equations ons and the Oxidation and reduction equatio for the…

A: The given equations contain redox concept.

Q: Determine what is the oxidixing agent ?

A: The gain of electron is named as oxidation whereas loss of electron named as reduction.

Q: Balance the following redox reaction. For the said reaction, indicate the species that is oxidized…

A: Here MnO4- is acting as oxidizing agent as it convert Br- to BrO3- and get reduced itself.…

Q: Balance the following half-reaction in basic solution. How many moles of OH- appear in the balanced…

A: given half equation is MnO4-(aq) → Mn2+(aq)

Q: Nickel can be plated from aqueous solution according to the following half reaction. How long would…

Q: Write the half reaction in the cathode, if the H+ cation is reduce to form Hydrogen gas. 2H+ +…

Q: Which one of these half reactions has the lowest redox potential? O Iron reduction Denitrification…

A: The objective of the question is to identify which of these half-reactions has the lowest redox…

Q: Complete and balance the following redox equation using the set of smallest whole- number…

Q: For the following give the oxidation numbers of all elements: a) Cd + NiO₂ + H₂O → Cd(OH)2+Ni(OH)2…

A: For the following give the oxidation numbers of all elements:

Q: Balance the following redox reactions. For each reaction, indicate the species that is oxidized and…

Q: NO:" + MnO2 → NO2 + MnO4 What is the coefficient of H* in the final redox reaction if balanced in an…

Q: Fe+3 + NH2OH+OH → Fe*2 + N2 + H2O

Q: answer in complete sentences

A: In the given question, we have to find the reason that why copper pipes are less likely to corrode.

Q: 28) Balance the following redox reaction in BASIC solution:Al(s) + ClO–(aq) à Al3+(aq) + Cl–(aq)

Q: For the oxidation-reduction reaction below: S2O32− + H+ → SO2(g) + S(s) + H2O(l) How many electrons…

A: Recall the given oxidation-reduction reaction, S2O32- + H+ → SO2…

Q: Balance the following half-reaction occurring in basic solution. Show all steps. MnO2(s) →…

A: Answer:

Q: Separate the redox reaction into its component half-reactions. O,+2Mg - Use the symbol e¯ for an…

A: A redox (reduction-oxidation) reaction is a chemical reaction in which the oxidation states of atoms…

Q: Predict which cation will be reduced first if the following mixture of molten salts undergoes…

A: The Cations in the given salts are, NaCl = Na+ CaCl2 = Ca2+ AgCl = Ag+

Q: Balance the following REDOX reaction that occurs in acidic conditions. PH3 + I2 → H3PO2- + I-

A: The objective of the question is to balance the given redox reaction that occurs in acidic…

Q: OCI Fe(OH)3 + OCI →> → tal 510 Fe04²- 17dman matahar +C

A: Splitting the reaction in two 1. Oxidation 2. Reduction Fe(OH)3 → FeO2. Oxidation OCI →CI.…

Q: The electrolysis of an aqueous solution of NaCl has the overall equation 2H2O+Cl^- - H2+Cl2+2OH…

A: Given equation for electrolysis of NaCl is : 2H2O + 2Cl- --------------> H2 + Cl2 + 2OH-…

Q: Oxalic acid (H2C204) is present in many plants and vegetables. Balance the following equation in…

A: Answer

Q: An unknown metal, X, has been deposited on the cathode of an electrolytic cell using an electric…

A: Given: Mass of X collected = 1.51 g. Current passed = 3.30 A Time = 25.0 min = 25.0 × 60 = 1500 s…

Q: For the following reaction, write the half-reactions and state which is the reduction and which is…

Q: A2 + 2e → 2A- E° = +1.09 V D2+ + 2e → D E° = -2.37 V

A: Oxidising agent is that substance which oxidises other compounds and gets itself reduced easily.

Q: 39. What should be the reaction at the anode? O Ag(s) → Ag+ (aq) + e- - O Fe²+ (aq) → Fe³+ (aq) + e-…

Q: How many electrons are transferred in the following balanced redox reaction? 5NO2- (aq) + 6H+ +…

Q: Identify the oxidizing agent and reducing agent in the reaction. Te0 3 2- + 2 N204 + H20 -> Te + 4…

A: Oxidizing agent are those which oxidizes the other compound. Hence oxidizing agent are substance…

Q: + MnO4 CO2 + Mh2

A: Introduction: We have to balance the reaction in acidic meadium.

Q: 104. A solution containing Pt+ is electrolyzed with a current of 4.00 A. How long will it take to…

A: Current = 4 AVolume of Solution = 0.50 LMolarity of Solution = 0.01 Mmoles of Pt4+ = Molarity of…

Q: For a particular redox reaction, BrO−BrO− is oxidized to BrO−3BrO3− and Fe3+Fe3+ is reduced to…

A: BrO−+Fe3+⟶BrO3-+Fe2+ We need to balance the above equation in basic solution with phases.

Q: A 100 g piece of iron at 25°C is heated by adding 230. cal. What will be the final temperature?…

A: Given : Mass of iron = 100 g Initial temperature of iron = 25 °C And heat added = 230 cal Since 1…

Q: Given the standard electrode reduction potentials, which reaction will occur spontaneously? Standard…

Q: Balance the following redox reaction: CN-1 + MnO4-1 → CNO-1 + MnO2 (basic)

Q: Balance the following half reactions: MnO−4+e−+H+→Mn2++H2O

A: balance the following half reaction: MnO4- + e- +H+ → Mn2+ +H2O first we have to know the…

Q: Balance the following redox equations showing clearly the balanced reduction and oxidation half…

A: Redox reaction are reaction in which one species is reduced another is oxidized.

Question

100%

Which redox reaction is the correct reaction for the electrolysis of
potassium iodide solution with phenolphthalein pink and starch
indicators?
21+ H₂ + 2 OH-→ O₂ + 4H+ + 2 Zn
2 Zn²+ + 2 H₂O → O₂ + 4 H+ + 2 Zn
OH- + H₂ + 12 → 21- + 2H₂O
21+ 2 H₂O → 12 + 2 OH- + H₂

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Balance the following oxidation-reduction reaction occurring in basic solution by the half reaction method. MnO4- + P2O4 ⎯→ Mn2+ + PO43-
write the half-reaction for the reduction equation 4Fe + 3O2 → 2Fe2O3
Balance the following reaction by the electron ion method.
What process always happens at the anode? Reduction O Proton transfer Precipitation O Oxidation
Complete and balance this equation for a redox reaction that takes place in basic solution: CN-1aq2 + MnO4 -1aq2 ¡ CNO-1aq2 + MnO21s2
When balancing equations for redox reactions in acidic solutions, which of the steps comes before you balance each half-reaction for O by adding H20? O Balance each half-reaction for charge by adding electrons Balance each half-reaction for H by adding H* Balance each half-reaction for all elements except H and O Write skeletal equations for the oxidation and reduction half-reactions
Write Half Redox reaction Sn = Sn02
When this redox equation is balanced with the lowest whole number coefficients, on which side does H2O appear? Bi(OH)3 + SnO22– → Bi + SnO32– (in basic solution) Left, Right, or Neither
Assuming each pair of half-reactions below takes place in an acidic solution, identify which species, if any, are oxidized. F2 + Ca → 2F- + Ca2+
Balance the following redox equations by the half-reaction method:Br2->BrO3- + Br-
Balance the redox reaction K 2 Cr 2 O 7 +KI+H 3 PO4 --> I 2 +CrPO 4 +K 3 PO 4 +H 2 O
/variants/1189727/take/9/ ☆ 88 MULTIPLE CHOICE Question 10 Which half-reaction correctly represents oxidation? Fe(s) → Fe +2 A Fe(s) B Fe +2 (aq) + 2e¯ (aq) → Fe(s) + 2e- + 2e → Fe+2 (ag) D Fe +2 (aq) + 2e¯ → Fe(s)