QUESTION 1 Consider the reaction:shown, which occurs in aqueous solutions: NO21 + Cr20,2 → NO3-1 + Cr+3 (You do not need to use superscripts or subscripts in your answers here) Identify the species reduced: Identify the species oxidized Identify the reducing agent identify the oxidizing agent

Q: Examine the reaction. 2AI (s) + 3NI²+ (aq) → 2AI³+ (aq) + 3Ni (s) What can be deduced from this…

A: From standard sources, we get the reduction potential of the elements as follows:-  Al3++ 3e-→ Al…

Q: QUESTION 5 What is the oxidation number of Ca in Ca(s)? Choose the correct sign ( + or -) and the…

A: The answer is given as follows

Q: Determine the element which is oxidized, element which is reduced, oxidizing agent, and reducing…

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Q: In the following reaction, __________ is oxidized.  2 Fe   +    3 Cl2   à   2 FeCl3

A: 2 moles of Fe react with 3 moles of  chlorine to form 2 moles of Fecl3.

Q: For reaction below, identify the atom oxidized, the atom reduced. 3H2C204 + 2K2MNO4 ===> 6CO2 + 2K20…

A:

Q: The oxidation number of iron in Fe2O3 is ________. Select one: a. -3 b. +1 c. -2 d. +3 e. +2

A: Oxidation state or oxidation number refers to the number assigned to the atom of a chemical compound…

Q: Consider the reaction Cr2O7^2- + 6 S2O3^2- + 14 H^+ ↔ 2 Cr^3+ + 3 S4O6^2- + 7 H2O. What is the…

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Q: Question 9 atom, determine the half reactions, and write out the overall balanced equation under…

A: Oxidation state of an atom represents the charge exhibited by the atom during the formation of a…

Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C…

A: The reaction of a solution of C with the solution of B- ions is as follows:

Q: In each reaction below, indicate which element is being oxidized, which element is being reduced,…

A: Oxidation: Removal of electron Reduction: Addition of electron

Q: 19. Consider the redox reaction below. Identify the species that is oxidized, the species that is…

A: Oxidised species & reducing agent - When an atom or ion or compound loses one or more electron…

Q: 19. Consider the redox reaction below. Identify the species that is oxidized, the species that is…

A: Species that is getting oxidized is Cu as its oxidation state is getting changed from 0 to +2.

Q: In the smelting of iron from iron oxide according to the equation what is the change in oxidation…

A: Since in Fe2O3 we have O in 2- oxidation state Hence total -ve charge due to O = 3 X (-2) = -6  And…

Q: In which of the following unbalanced reactions does chromium undergo oxidation ? CrO 2 Cr20,2 Cr3+…

A: The process in which  a substance  loses an electron duringa chemical reaction is known as…

Q: In the following reaction, which element is oxidized? Cu + FeSO4 Fe + CUSO4 Select one: а. Cu b. Fe…

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Q: Which element is oxidized in the reaction below? + Mn04 + H+ - 12 + MnO2 + H20 Он O Mn

A: The element which was oxidised in the given reaction has to be identified.

Q: Use the References to access important values if needed for this question. 3Zn2+ + 2Cr*+ 7H20→3Zn+…

A: The given reaction is written below : 3Zn2+  +  2Cr3+  +  7H2O  →  3Zn  +  Cr2O72-  +  14H+ When…

Q: Question 18 Give the oxidation number of carbon in each of the following compounds: a) CO2 b)…

A: Ans

Q: From the equations below, identify the following: a. Oxidized element b. Reduced element c.…

A: Given reactions, i. HCl + KMnO4 → H2O + KCl +MnCl2 + Cl2ii. HNO3 (aq) → NO2 (g) + O2 (g) + H2O (l)

Q: For the redox reaction given below complete the following: CIO, + SO2 - SO + cr (a) What is the…

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Q: a. Choose the item that correctly describes the oxidizing agent and the reducing agent in the…

A:

Q: 0. What is an oxidizing agent? What is a reducing agent? Explain the modern understanding of each of…

A: Sn(s) + Br2(g) -----> SnBr2(s)

Q: In a redox reaction, a substance is the oxidizing agent if it     causes something else to be…

A: In redox reaction we have reduction and oxidation.

Q: Chp14-5(2)

A: The chemical substance that gains electrons in the redox reaction are called oxidizing agent. They…

Q: Consider the following reaction. 2+ 2Mno, + 3Mn + 2H,0 – 5Mno,(s) + 4H Which statement is correct?…

A:

Q: Which element is the reducing agent in the following reaction? 3H2S + 2NO3 + 2H 3S + 2NO + 4H20 O…

A: In a redox chemical reaction, when an element is oxidized or loses electrons, then that element is…

Q: 34. 2K,Cr20, + 2H2O+ 3S → 3502 + 4KOH + 2Cr,03

A: “Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Given the following information (and using only this information): Compound ∆Gof (kJ/mol) NiO –212…

A: Here we have to determine the activity of metal from it's ∆G°f of it's oxide.

Q: Find the oxidizing agent in the following balanced reaction (Please note that element X and Y are…

A: Detail description is given below

Q: The propellent used to help launch the space shuttle in the solid-fuel boosters attached to the…

A: If there is an increase in the oxidation number of an atom in a reaction, then that reaction is…

Q: What is oxidation? What is reduction? What is an oxidizing agent? What is a reducing agent? Explain…

A: Oxidation refers to the reactions which involve the addition of oxygen or the removal of hydrogen.…

Q: Assign the oxidation numbers for the following equation. 2H2 + O2 → 2H20 Which reactant is the…

A: The oxidation number and oxidizing and reducing agent of the above equation is given below

Q: Identify the element oxidized, element reduced, oxidizing agent and reducing agent. Fe2O3(s) + CO(g)…

A:

Q: Which of the following statements are true, about this reaction? 3Cu(s) + 8H*(ag) + 2NO3 (ag) →…

A: The reaction given is

Q: Which element is oxidized in this reaction? Fe2O3+3CO→2Fe+3CO2   Which element is reduced in this…

A: 1) The reaction given is  Fe2O3 + 3 CO -----> 2 Fe + 3 CO2  In the above reaction, C is in 2+…

Q: Use the References to access important values if needed for this question. Ni2+ + Cu2*+ 2H,0 Cu +…

A: Oxidation is defined as a gain of oxygen or loss of hydrogen or an increase in the oxidation number…

Q: For reaction below, identify the atom oxidized, the atom reduced. 2K2Cr207 + 2H20 + 3S ==> 3SO2 +…

A:

Q: Complete and balance the equation for this reaction in acidic solution. equation: Mno, + HNO, – NO;…

A: Oxidizing agent: Which is reduced during reaction Reducing agent: Which is oxidized during reaction

Q: Question 13 The oxidation number of chromium in sodium chromite, KCrO2, is O +3. O-1. O +2. O-2. O…

A: We have to calculate the oxidation number of Cr in the KCrO2

Q: 2. For the following reactions Identify 2Fe²+ + H₂O₂ + 2H+ → 2Fe³+ + 2H₂O a) The atom or ion that is…

A: 2. Recall the given reaction,                            2 Fe2+  +  H2O2  +  2 H+  →  2 Fe3+  +  2…

Q: Part I: Multiple Choice Questions . What is the oxidation number of chromium in (NH,),Cr,O,? a +7 c…

A: The solution is as follows :

Q: QUESTION 5 For the reaction below, determine the stoichiometric coefficient on the hydrogen ion in…

A: Given, the unbalanced equation: MO3-(aq) + X3+(aq) → X4+(aq) + M3+(aq) We have to find the…

Q: In the reaction below, determine which element is oxidised and reduced. Also, state their oxidation…

A: Initially the determination of oxidation states of every elements are necessary for evaluation of…

Q: Which one of the following items does NOT characterize an oxidizing agent? A An oxidizing agent…

A: The property of an oxidising agent is to oxidise the other species by itself undergoing reduction…

Q: Identify the atoms that are oxidized and reduced, the change in oxidation state for each, and the…

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Q: 3SnO32- + 2PH32P + 3SnO22-+ 3H2O In the above redox reaction, use oxidation numbers to identify…

A: The given redox reaction is,                        3SnO32- + 2PH3 -------> 2P + 3SnO22-+ 3H2O…

Q: When the following skeletal equation is balanced under acidic conditions, what are the coefficients…

A: Cofficient - 1,1,1,1 Water.....(neither) (0) Reducing species ( Mn)