In basic solution, H2O2 oxidizes Cr3+ to CrO42– and is reduced to OH–. What is the lowest whole-number coefficient for OH– in the balanced net ionic equation? a. 10 b. 6 c. 4 d. 16 e. 8

Q: A solution is prepared by dissolving 22.7 g of Al2(S04)3 in water. What current would be needed to…

A:

Q: Q2 A manufacturer uses an electric current to gold-plate jewelry, using a gold solution and zinc as…

A: In the given figure gold is plated on the nickel plate and solution consist of Au+ ion.  At anode…

Q: Half-reaction E° (V) 1(s) + 2e → 21°(aq) 0.535V 2H*(aq) + 2e H2(g) 0.000V Cr*(aq) + 3e¯…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Consider the following half-reactions: Half-reaction E° (V) F2(g) + 2e¯ –→ 2F"(aq) 2.870V 2H*(aq) +…

A: Redox reaction occurs when oxidation and reduction takes place at the same time in a chemical…

Q: (b) Ammonia oxidizing bacteria (AOB) play an important role in nitrogen cycle. They are also…

A: Note: As per our company guideline we can answer only three subparts. Kindly repost the question…

Q: Consider this reaction          Fe + MnO4  - → FeO4  -2 + Mn  +4 What is the correct reduction…

A:

Q: Indicate whether the following balanced equations involveoxidation–reduction. If they do, identify…

A: (a) 2 AgNO3(aq) + CoCl2(aq)---> 2 AgCl(s) +Co(NO3)2(aq) In this reaction the oxidation states of…

Q: Explain why the following reaction is a REDOX reaction Mn2+ + H2O2 → MnO2 + H2O ii. List the…

A: The reaction given is  Mn2+ + H2O2 ------> MnO2 + H2O Redox reactions are those reactions in…

Q: 47. In which equation is the metal reduced? A. CUCO3 + 2HCI → CuCl2 + CO² + H2O B. Mg + 2HCI → M9CI2…

A: Oxidation is the loss of electrons or gain of oxygen atoms or loss of hydrogen atom. In this, the…

Q: In the following ewuation, note the raction between manganese(IV) oxide and bromide ions :  MnO2 +…

A: the solution is as follows:

Q: Where do the H+ protons come from at this step of balancing redox reactions in acidic environments?…

A: Redox reactions are the type of reactions which possesses both the oxidation (increase in O.S.) and…

Q: Chlorine gas can be obtained by the reaction of 4 H + + MnO2 (s) + 2 Cl- → Mn2 + + Cl2 (g) + 2 H2O.…

A: Welcome to bartleby !

Q: 3. Balance the following redox equation using the half-reaction method. Remember a substance may be…

A:

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

A:

Q: b Choose the balanced equation for the following half-reaction, which takes place in acidic…

A: A balanced chemical equation accurately describes the quantities of reactants and products in…

Q: Consider the following UNBALANCED oxidation-reduction reaction. MnO2 + NiO2 ⇌ MnO4-1 + Ni(OH)2 a.…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Question 4

A: The given balanced chemical equation:        Br2 -------> Br- + BrO3-To balance by half reaction…

Q: Solid Zn is reduced from ZNSO4 solution. How many moles of electrons are transferred during the…

A:

Q: 15. Which of these do(does) not correspond to oxidation-reduction processes? A. CuO + H2 → Cu + H2O…

A: SOLUTION: Step 1: The oxidation-reduction reaction is a chemical reaction which involves both…

Q: 3. Consider the following unbalanced half reactions, all four reactions occurring in acidic…

A: Firstly find the oxidation number of each species to find which species is undergoing oxidation and…

Q: For a particular redox reaction, SO, is oxidized to SO and Cu2+ is reduced to Cut. Complete an for…

A:

Q: Balance cach redox reaction in BASIC SOLUTION 1. Cr (OH)a + I0 →I + CrO4 2- - 2- 2- 2. Cra 07 + SO,…

A: Given equations are : 1. Cr(OH)3 + IO3- -----------> I- + CrO42-  2. Cr2O72- + SO32-…

Q: Half-reaction E° (V) Br2(1) + 2e- 2Br (aq) 1.080V 2H*(aq) + 2e H2(g) 0.000V -> Mn2+(aq) + 2e → Mn(s)…

A: Since we only answer upto 3 subparts, we will answer first three only. Please resubmit the question,…

Q: Consider the following unbalanced equation for a redox reaction in acidic solution: Br^- + BrO3^-…

A: The correct option is:

Q: For each reaction below, balance and then identify the atom oxidized and the atom reduced? b.…

A: b. The balanced equation is :

Q: 5. Consider the reaction in a basic medium: Sb₂O3(s) + NO3(aq) ---> H3SbO4(aq) + NO(g) Choose all…

A: Since you have asked multiple questions we will solve the first question for you. If you want any…

Q: A balanced redox equation must have which of the following: I. The same number of each type of atom…

A: Oxidation reactions are associated with lose of electrons, addition of oxygen. Reduction reactions…

Q: In the balanced oxidation-reduction reaction (occurring in acidic condition) the coefficients before…

A: Given reaction   SO32-+NO3¯→NH4++SO42- To Balance the equation in acidic medium and write the…

Q: 1 An inventor reported that he could apply the knowledge available from the standard reduction table…

A:

Q: e. This is not an example of an oxidation-reduction reaction. 21. What is the oxidation number of P…

A: Calculation for oxidation number of P in H2PO4-: Let ‘x’ be the oxidation number of P.

Q: Fe3+ + 1e- → Fe2+         Eo = 0.77 V Sn4+ + 2e- → Sn2+        Eo = 0.15 V Fe2+ + 2e- → Fe…

A: For a reaction to being spontaneous the ∆G (change in free energy value should be negative.  ∆G =…

Q: A solid sample containing some Fe2+ weighs 2.360 g. It required 36.44 mL 0.0244 M KMnO4 to titrate…

A: Given : Mass of sample having Fe2+ used = 2.360 g Concentration of KMnO4 used = 0.0244 M And volume…

Q: Which statement best applies to the concept of corrosion Corrosion involves the reduction of a metal…

A: Answer: When a pure metal substance reacts with another substance and loses its natural forms, then…

Q: Which one of the following is not a redox reaction? O K,CryOr(ag) + 2KOH(ag) 2K,CrO(aq) + H,O) O HE)…

A: Equation in option 1 is not the redox reaction.

Q: Formaldehyde (CH20) reacts with potassium permanganate (KMNO,) under neutral conditions to form…

A:

Q: (Cr202)" (aq) + HNO2(aq) → Cr³+, Consider the redox reaction in acidic solution: (Cr202)7 (aq) +…

A:

Q: Subterranean brines in parts of the United States are rich in iodides and bromides and serve as an…

A: The halogen that is likely to form from this treatment has to be given and the reason has to be…

Q: Balance the following Redox Reaction. Always include the state of each species: (s), (l), (g), or…

A:

Q: Answer the following questions using data from Table 17.1 (all under standard conditions). a. Is…

A: The cell potential for the cell, which is formed by putting the hydrogen electrode at anode and Ni…

Q: Zn(s) + 2 OH(aq)Zn0(s) + H2D(e) + 2e e HgO(s) + H,0(4)+ 2e Hg(e)+ 20H (aq) Consider the animation…

A:

Q: Consider this reaction:   Mn(s)  +  SnCl2(aq)   -->   Sn(s)   +   MnCl2(aq)   What is oxidized?…

A: We have to predict which species is oxidized and which is reduced

Q: Think of the reaction type you assigned and use it to explain why HCl(aq) works better

A: Let us first see the type of given reaction and from the nature of each reactants and product the…

Q: (c) OF2 Element Oxidation Number i F i

A:

Q: Consider the following reaction. What is the BALANCED oxidation half- reaction? Mn0. +1¯ → Mn02 + I2…

A: General reaction- MnO4- + I- → MnO2 + I2 Given redox reaction- MnO4- + I- → MnO2 + I2

Q: A layer of chromium is electroplated on an automobile bumper by passing a constant current of 40.0 A…

A: Given: Current is 40.0 A. Mass of chromium to be deposited is 151 g. Introduction: According to…

Q: The lead-acid battery has the net reaction Pb + PbO2 + 4H+ + 2SO42–⇌ 2PbSO4 + 2H2O The concentration…

A: The volume of acid in the battery is 724 mL. 1st case: Density=1.29 g/mL. Mass=38% The initial mass…

Q: 3. Consider the following galvanic cell: Fe(s) Cr(s) Salt bridge- containing KNO,(aq) IM Fe+ IM Cr+…

A: Since you have asked multiple questions, we will solve four questions only. If you want any specific…

Q: Ih acidic aqueous 54. Classify each half-reactlo solution as an oxidation or a reduction and balance…

A:

Q: Balance the following redox reaction by adding the coefficients for each of the species.…

A: Given redox reaction:                                   Al(s)+F2(g)→Al3+(aq)+F−(aq)

Q: Which change requires an oxidizing agent to yield the given product? a) Mn04 → Mn02 b) Cloz → Clo c)…

A: Welcome to bartleby !  Introduction :  In presence of oxidising agent ,it will oxidise the species…