QUESTION 5 What is the oxidation number of Ca in Ca(s)? Choose the correct sign ( + or -) and the correct number. If the answer is 0, do not click a sign. 0 1 O 2 O 4 6. 0 7 0 8 O 1/2 O 1/3 QUESTION 6

Q: QUESTION 28 For the following reaction, all of the reactants and products are in their standard…

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Q: For the redox reaction given below complete the following: FeCl2 + H2O2 + H* → FeCl3 + H2O (a) What…

A: Given Redox reaction is: FeCl2 + H2O2 + H+ ----> FeCl3 + H2O

Q: Moving to another question will save this response. Question 32 The oxidation number of nitrogen is…

A: The extend of Oxidation of an atom is described by its Oxidation number or also called Oxidation…

Q: Match the number of valence electrons an atom has to the charge (oxidation state) it would have when…

A: 1) 1 valence electron-a,d 2) 5 valence electron-b,c

Q: For the redox reaction given below complete the following: Cr2072+ H* +I Cr*3 + 12 + H20 (a) What is…

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Q: For the redox reaction given below complete the following: Cr203 + Mg -> MgO + Cr (a) What is the…

A: The given redox reaction is : Cr2O3+Mg→MgO+Cr

Q: Question attached

A: When a chemical reaction occurs, some species gain electrons and some lose electrons. This causes a…

Q: QUESTION 24 When hydrogen reacts with calcium metal, what are the oxidation numbers of the calcium…

A: 24. The given reaction is Ca s+H2 g→CaH2 s. To find the oxidation number of calcium and hydrogen in…

Q: A solution is electrolyzed at 0.751 A for 30.00 minutes.  0.178 g of vanadium is recovered.  What is…

A: Correct answer is (d) 4 . By Faraday's law: w = E×I×tF  0.178 = 51×0.751×30×60n.f×96500  n.f = 4…

Q: For the redox reaction given below complete the following: Al (s) + H;SO, (aq) - Al2(SOa); (aq) + H2…

A: The given reaction is, Al(s) + H2SO4(aq) ---> Al2(SO4)3(aq) + H2(g)   a) The oxidation number of…

Q: Question 10 What is the oxidation number of each element in the compound below? Match the oxidation…

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Q: . element oxidized? 2. oxidizing agent? 3. Change in oxidation number of element reduced. 4. Element…

A: During oxidation, oxidation number of an element increases and during reduction oxidation number of…

Q: Question 4 When hydrogen reacts with calcium metal, what are the oxidation numbers of the calcium…

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Q: Chapter 4 Review What is the oxidation number of chlorine in HCIO, O +1 O +2 +3

A: Oxidation number: The covalent bond between the atoms of different electronegativity is polar. If we…

Q: The oxidation number of an element can be +ve,-ve, zero and fraction. Select one: True False

A: Yes, Oxidation no.  an element is can be positive , negative, zero or fraction.

Q: Activity 7.1 Identify whether the process is oxidation or reduction. Indicate the number of…

A: Oxidation is defined as the process in which the oxidation number of the element concerned is…

Q: Aluminum and oxygen bond in a 2:3 ratio (there are 2 aluminum ions for every 3 oxygen ions). If…

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Q: What is the change in oxidation number for each Chlorine atom in the following reaction? 2Al    +…

A: A multiple choice question based on oxidation number, which is to be accomplished.

Q: Question 12 For the following reaction, what is being reduced? What is being oxidized? What is the…

A: We have to identify the oxidising and reducing agents for the following given reaction as follows in…

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

A: In this question, we want to determine the Oxidation number of Ca ( called Calcium ) in Ca(s)  How…

Q: Determine the oxidation number on the unknown element, X, in the compound below.  Include the…

A: Given, compound  X2O3  Oxidation state of x = ?

Q: Which one of the following statements is not correct? Select one: a. Oxidation refers to a chemical…

A: Redox reaction: Redox reaction is a type of chemical reaction in which the oxidation states of atoms…

Q: For the redox reaction given below complete the following: KMN04 + NazSO3 + H20 → MnO2 + Na2SO4 +…

A: The given redox reaction is, KMnO4 + Na2SO3 + H2O ---> MnO2 + Na2SO4 + H2O       a) The oxidation…

Q: What is the oxidation number of each gallium in Ga3PO4?

A: In general Ga exhibit +1 and +3 oxidation state in its compounds. Ga belongs to 13 group. Phosphate…

Q: Question 7 Status: Not yet answered | Points possible: 1.00 Consider the reaction of copper with…

A: The copper is oxidised by nitrate in the nitric acid.The hydrogen is not capable of the oxidation…

Q: CHEMISTRY (UNIT 4) Balance each of the following chemical equations, using oxidation state= method.…

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Q: QUESTION 1 What is the oxidation number of S in [HSO4] ? Choose the correct sign ( + or -) and the…

A: The answer is given as follows

Q: What is the oxidation number of X in BaXO 4? (X is a hypothetical element. It doesn't matter what it…

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Q: Using the reaction below, which is true for the reaction as written from left to right: Cu(s) +…

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Q: What is the oxidation number of S in [HSO4]- ?  Choose the correct sign ( + or -) and the correct…

A: First of all let oxidation state of element is x then calculate it as sum of all elements oxidation…

Q: Which of the following is a correct set of oxidation numbers for the atoms in calcium dihydrogen…

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

Q: Question 8 What is the oxidation number of A 0 B +1 C -1 D +2 Na "(s)?

A: Oxidation number: The covalent bond between the atoms of different electronegativity is polar. If we…

Q: 19 The oxidation number of O in OF2 is -2. Select one: True False

A: Oxidation state of O in OF2

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: 2HXeO4- + 3N2O+ 4OH-6NO2- + 2Xe+ 3H2O In the above redox reaction, use oxidation numbers to…

A: Given : A redox reaction, in which there are different compound and elements.  To find : Oxidizing…

Q: 5 items multiple choice 35. What is the oxidation number of chlorine in HClO4?  A. +1 B. +6 C. +7…

A: Since we only answer one question at a time, we'll answer the first one. Please resubmit the…

Q: MULTIPLE CHOICE: Write the letter of the correct answer. Write E if the answer is not found within…

A: let us discuss step by step solution.

Q: Determine the oxidation number of Phosphorus in the following. Show full calculations. Na3PO4 b.…

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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: question 7 1)What is the oxidation number of P in P4O10? Choose the correct sign ( + or -) and the…

A: Rule for determination of oxidation number /state  1)The oxidation number of a free element is…

Q: 20. PbO+SO2- PbS+O2 balanced equation:

A: Following is the balanced chemical equation according to oxidation number method.

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: Question 41 What is the oxidation number of manganese (Mn) in Ca(MnO4)2 ? Group of answer choices…

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Q: N2O + 2F2+ 6OH-2NO2- + 4F-+ 3H2O In the above redox reaction, use oxidation numbers to identify the…

A: N2O + 2F2+ 6OH- →2NO2- + 4F-+ 3H2O In the given redox reaction, the oxidation numbers of the…

Q: Define oxidation and reduction. Write the overall balanced chemical equation for the reaction of…

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Q: Question 8 What is the oxidizing agent in the following reaction? Cr₂O3(s) + Al(s) → Cr(s) +…

A: Oxidizing agent: oxidizing agent can be define as the substance which can cause the oxidation of…

Q: H3AsO4 + Cl2+ H2O2ClO3- + 5H3AsO3+ 2 H+ For the above redox reaction, assign oxidation numbers and…

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Q: QUESTION 6 For the reaction below, determine the stoichiometric coefficient on water in the balanced…

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Q: What is the oxidation number of nickel in NiS2?   Question 4 options:   a)  +8   b)  +7   c)…

A: Oxidation number can be defined as the charge of an element that arises due to the gain or loss of…

Q: Question 5 Provide the oxidation number (with correct sign) for the underlined element in the…

A: Entropy of a system can be defined as the degree of disorder present  in the system. it is denoted…