(a)
Interpretation:
The balanced equation for the given reaction in part (a) should be described.
Concept introduction:
First the nitrite ion is get oxidized to nitrate ion by permanganate ion in acidic solution. And permanganate ion will get reduced to manganese ion.
(b)
Interpretation:
The balanced equation for the given reaction in part (b) should be described.
Concept introduction:
In the reaction of manganese ion with permanganate ion in basic solution, first manganese ion gets oxidized to manganese dioxide and then permanganate ion get reduced to manganese dioxide.
(c)
Interpretation:
The balanced equation for the given reaction in part (c) should be described.
Concept introduction:
In this oxidation reaction, ethanol gets oxidized to acetaldehyde by dichromate ion and by itselfit gets reduced to chromium ion.
Want to see the full answer?
Check out a sample textbook solutionChapter 5 Solutions
General Chemistry: Principles and Modern Applications - With Solutions Manual and Modified MasteringChemistry Code
- Three reactions very important to the semiconductor industry are The reduction of silicon dioxide to crude silicon, SiO2(s) + 2 C(s) → Si(s) + 2 CO(g) ΔrH° = 689.9 kJ/mol The formation of silicon tetrachloride from crude silicon, Si(s) + 2 Cl2(g) → SiCl4(g) ΔrH° = −657.01 kJ/mol The reduction of silicon tetrachloride to pure silicon with magnesium, SiCl4(g) + 2 Mg(s) → 2 MgCl2(s) + Si(s) ΔrH° = −625.6 kJ/mol Calculate the overall enthalpy change when 1.00 mol sand, SiO2, changes into very pure silicon by this series of reactions.arrow_forwardThe halogen oxides and oxoanions are good oxidizing agents. For example, the reduction of bromate ion has an E value of 1.44 V in acid solution: 2BrO3(aq)+12H+(aq)+10eBr2(aq)+6H2O(l) Is it possible to oxidize aqueous 1.0 M Mn2+ to aqueous MnO4 with 1.0 M bromate ion?arrow_forward3. In which of the manganese compounds below does Mn have the highest oxidation number? MnO2 Mn2O3 KMnO4 MnCl2arrow_forward
- Which of the following statements is not correct? (a) The ease of oxidation of the halide ions is F Cl Br I. (b) Fluorine is the most abundant halogen in the Earths crust. (c) F2 is prepared industrially by electrolysis of aqueous NaF. (d) HF is used to etch glass.arrow_forwardElectrolysis of an alkaline earth metal chloride using a current of 5.00 A for 748 seconds deposits 0.471 g of metal at an electrode. Is the metal deposited at the cathode or the anode of the electrolytic cell? What is produced at the other electrode? What is the identity of the alkaline earth metal?arrow_forwardIron(II) ion undergoes a disproportionation reaction to give Fe(s) and the iron(III) ion. That is, iron(II) ion is both oxidized and reduced within the same reaction. 3 Fe2+(aq) Fe(s) + 2 Fe3+(aq) (a) What two half-reactions make up the disproportionation reaction? (b) Use the values of the standard reduction potentials for the two half-reactions in part (a) to determine whether this disproportionation reaction is product-favored at equilibrium. (c) What is the equilibrium constant for this reaction?arrow_forward
- Copper(I) ion disproportionates to copper metal and copper(ll) ion. (See Study Question 99.) 2 Cu+(aq) Cu(s) + Cu2 + (aq) (a) What two half-reactions make up the disproportionation reaction? (b) Use values of the standard reduction potentials for the two half-reactions in part (a) to determine whether this disproportionation reaction is product-favored at equilibrium. (c) What is the equilibrium constant for this reaction? If you have a solution that initially contains 0.10 mol of Cu+ in 1.0 L of water, what are the concentrations of Cu+ and Cu2+ at equilibrium?arrow_forwardDetermine the oxidation state of sulfur in SF6, SO2F2, and KHS.arrow_forward2. What is the oxidation number of the metal in (NH4)3[Fe(CN)6]? 0 +1 +2 +3arrow_forward
- Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher:Cengage Learning
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage Learning