The change in Oxidation number of 'Cr' in the following reaction is (Cr,0,)2 ( CrO4)2 7 6 Clear my choice

Q: Write the balanced NET ionic equation for the reaction when Cr(NO,), and Li,CO, are mixed in aqueous…

A: Balanced chemical equation is given by,   2Cr(NO3)3(aq) + 3Li2CO3(aq) → Cr2(CO3)3(s) + 6LiNO3(aq)

Q: Please draw the structure of the possible product for the following reaction, and how does the…

A: The details solution for this is provided below in attach image.

Q: What is the oxidation state of the atoms in bold?

A: Oxidation state of atoms in the bold = ?

Q: Calculate the oxidation number of: a. Fe in Fe2O3 b. Cr in CrO4^2- c. Cr in Cr2O7^2-

A: (a) Fe2O3        Oxidation state of oxygen = -2. Three oxygen atoms are there, so = 3 × (-2) = -6…

Q: 4. Balance the following equations (use the oxidation number method): a) MnO4¯ + Fe² b) HNO3 + H,S…

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Q: g redox reaction in basic solution. 2-, 3+.

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Q: mine the oxidation number for the indicated element in the following compoune Cr in Cr,0,2- Select…

A: oxygen shows -2 oxidation state and for Cr, we take X value then we calculate the oxidation state.…

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: Assign an oxidation state to each element in each compound: (a) Cu(NO3)2 (b) Sr(ОH)2 (c) K2CrO7

A: Since we only answer up to the first three subparts, we will answer the first three sub-parts only.…

Q: Oxidation number of Cr in K2Cr207 is

A: Compound = K2Cr2O7  Potassium (K) has +1 charge. Let x is the oxidation number of Cr

Q: An electrical current of 3.0 A is used to deposit 0.5 g of nickel to a metal object, with Ni being…

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Q: Given the reaction: Fe +2+ Cr₂07-2Fe+3+ Cr+3 How many electon/s was/were gained in the reduction…

A: The number of electron gained in reduction reaction can be determined by the difference in oxidation…

Q: Zeffer (Zf) is an imaginary element which is found in molecular form with a chemical formula of Zf2.…

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Q: 3. Determine the oxidation state of the specified element i the following: (a) Cr in Cr,0,2- (c) Fe…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 4.49 Determine the oxidation numbers of all the elements in each of the following compounds. (Hint:…

A: Oxidation state of any element can be determined using the identity that the met charge should be…

Q: Assign oxidation states to all atoms in the following: А. СО2 В. NO3

A: A. Calculation of the oxidation state of carbon (C) in CO2 molecule --- Suppose the oxidation number…

Q: A Chemist collected a 0.4891-g sample of an ore for Fe determination by a redox titration with…

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Q: 5. What is "oxidation number"? Find the Oxidation number of: (i) Cr in Cr2O72- ions (ii) Mn in KMNO4…

A: •The sum of all individual atom or molecular oxidation number in polyatomic ion is equal to charge…

Q: Fe + Cuso, -> ? Select one a. Feso,+ Cu 2. b Cu + So 2+ C. No reaction/No visible reaction (NVR) d.…

A: Given        Fe + CuSO4 →

Q: Consider the following redox reaction: 2Cu + 02 2CUO) (s), a) What is the oxidation number of Cu in…

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

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Q: Identify the oxidizing agent in the following reaction - and why? Zn(s) + 2MnO2(s) ----> ZnO(aq)…

A: In generally, loss of electron is oxidation and gain of electron is reduction.Addition of oxygen and…

Q: Determine the oxidation number of the transition element in the following: (a) MnO2 2+ (b) Mn² (c)…

A: Oxidation Number: oxidation number, also called oxidation state, the total number of electrons that…

Q: Assign oxidation state to the underlined element. Write your answer on the space provided before…

A: The sum of oxidation states of all the atoms present in a molecule is equal to the charge on the…

Q: Here is a more complex redox reaction involving the dichromate ion in acidic solution: 3S2− + 14H+…

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Q: oxidation state

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Q: What species is the oxidizing agent in the reaction below? CIO + Cro, → CI¯ + CrO, 2- CI CrO, а. с.…

A: Oxidising agent: those species reduces itself and oxidise others are called oxidising agent.

Q: E. CO and NO 18. Which is the reducing agent in, Cu (s) + 2Ag* (aq) → Cu²* (aq) + 2Ag (s)? A. Cu²+…

A: Concept An increase in oxidation number- species is oxidized. A decrease in oxidation number-…

Q: How many amperes are required to deposit 0.146 grams of chromium metal in 678 seconds, from a…

A: Given: mass of chromium metal = 0.146 g time = 678 seconds charge = 3 molar mass of Cr = 52 g/mol

Q: what are the oxidation states of Ag, Zn, Cd and Al

A: To find:  The oxidation states of Ag, Zn, Cd, and Al?

Q: The refining of nickel from nickel oxide is shown in the following reaction: NiO + H₂-> Ni + H₂O…

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Q: What would the redox reaction, Cr(OH)3 + Br2 → CrO42− + Br−, be in a basic environment? Balanced…

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Q: What is the oxidation state of each element in Mn(NO,),?

A: Given :- chemical formula = Mn(NO3)2  To determine :- oxidation state of each element in the given…

Q: What is the oxidation state of Cl in each ion? (a) CIO (b) CIO2 (c) CIO, (d) CIO,-

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

Q: 33. In the given net redox equation of E- = + 1.89 V. The standard reduction potential for Co is -…

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Q: 4. Oxidation state of Mn in MnO2 is a) +2 b) - 2 c) +4 d) - 4

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Q: oxidation state of Mn and dn configuration in [Mn(acac)3]

A: Given,  [Mn(acac)3]

Q: state the oxidating agent and the redcing agent for Zn + Cu2+.......Zn2+ + Cu

A: Oxidation: Increase in positive oxidation state or decrease in negative oxidation state Reduction:…

Q: A Chemist collected a 0.4891-g sample of an ore for Fe determination by a redox titration with…

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Q: Which of the following is correctly paired in the reduction of Cu2+ to Cu(s)?   a. Zn-oxidizing…

A: The correct answer is given below

Q: QUESTION 2 -Show all the steps involved in balancing. Balance the following equations (use the…

A: Solution - The oxidation number method -  This method also called oxidation states, keeps track of…

Q: 2. Balance the following reaction using the ion- electron method.

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Q: Urgent: what is the oxidation number of P in K3PO3

A: Oxidation number is total number of electrons that an atom either gains or losses in order to form a…

Q: Show the redox reaction between FeCl3 and iodide. Explain why Br- cannot be oxidized by Fe3+.

A: The element with higher standard reduction electrode potential undergoes a reduction reaction and…

Q: For the redox reaction given below complete the following: Cr,0,2+ H* +FeCl,→ Cr*³ + FeCl;, + H,0…

A: If increase in oxidation number of an atom takes place in the redox reaction, that atom is oxidized.…

Q: please answer it fastly the oxidizing agent for the following equation is: TiCL4(I) + 2Mg(s) --->…

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Q: What is the oxidation number of chromium in Cr2O72- ion?     +3     +14     +7…

A: Oxidation: Loss of electron. Reduction: Gain of electron.An oxidizing agent gains the electrons and…