Part I. Write True if the statement is correct and False if it is wrong. Write your answer on the space provided after each number. Oxidation occurs when a specie gains electron. ________ Reduction occurs when a specie loses electron.                ________ Oxidation and reduction reactions occur simultaneously.                ________

Q: what is the oxidation state of oxygen? what is the oxidation state of magnesium? what is the…

A: We need to find oxidation state of every element in MgCO3 .

Q: In the identification of chlorate ion, this half reaction occurs       ClO3-     →     Cl-  This…

A: 1. This half cell reaction is called a redox reaction. 2. Oxidation number of chlorine changes from…

Q: HCI CI

A:

Q: Identify the oxidation numbers to all the elements in each of the compound or ions ( PbO2 Q a.…

A:

Q: (ii) Explain one reason for using aluminium in making electrical cables and drink cans respectively.…

A: (ii) Aluminium is used for making electrical cables, drink cans and aircraft bodies.

Q: In  the appropriate space after each equation, write the formulas for the oxidant and reductant, and…

A: Given reactions:

Q: oxidizing agent

A:

Q: During reduction, Oxidation number becomes zero O Oxidation number remains same Oxidation number…

A: In this question, we will see which option statement is true for reduction Reaction.  You can see…

Q: Write True if the statement is correct and False if it is wrong. Write your answer on the space…

A: 1) Statement-1 is true. Because every compound is neutral , hence  charge of neutral compound is…

Q: ssign oxidation numbers to each atom in nitrous acid  A. H = +1, N = +5, O = -1  B. H= +1, N= +5,…

A: The formula for nitrous acid is HNO2

Q: Which species is the oxidizing agent in the following reaction? Mg + 2 HCl → MgCl2 + H2    Mg0 to…

A: Answer:  H1+ to H0 An oxidising agent is the species that in a reaction oxidise other species by…

Q: Worksheet # 4-Calculating Oxidation Numbers The charge an element has in a compound in called an…

A:

Q: For each reaction, write the chemical formulae of the oxidized reactants in the space provided.…

A:

Q: When an atom is losing electrons its oxidation number increases. true or false

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Q: you add all the oxidation numbers in a polyatomic ion, what should the sum be? A The sum should…

A: lets solve this problem by taking an example of SO42-

Q: Indicate whether the statement below is true or false. When determining an oxidation number, it is…

A: Oxidation state is a hypothetical charge on an atom if all its bond attached to different atoms are…

Q: Step 1. Write down the unbalanced equation (skeleton equation') of the chemical reaction. All…

A:

Q: compoundS In a neutral compound, the sum of the oxidation states is zero. Note that the sign of the…

A:

Q: Na2S203 + 12 →Nal+Na2s406|

A: Given reaction is :  Na2S2O3 + I2 ------> NaI + Na2S4O6  Balancing the reaction by using only…

Q: Q1.) The reaction that you will be performing in this experiment is an example of an…

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

Q: 4. What are the differences between covalent and ionic bonds? With examples of them. 5. What can be…

A: Question 4 - - > The covalent bond is formed between the two atoms by sharing of the electrons…

Q: 2Ag" + Cu 2Ag+ Cu2+ species oxidized species reduced oxidizing agent reducing agent As the reaction…

A:

Q: Classify the reactions below as oxidation reduction reactions

A: Addition of more electronegative atom is called oxidation and vice-versa

Q: Oxidation-reduction reactionsa. can be synthesis or decomposition reactions.b. have one reactant…

A: Redox reactions – The transfer of electrons between any two species resulting in simultaneous…

Q: For each reaction, write the chemical formulae of the oxidiZed reactants in the space provid…

A: Find out the reactants oxidized and reduced in the following reactions.

Q: a. H,PO.(aq) + Fe(NO,)2(aq) → O H,PO,(aq) + Fe(NO,)2(aq) → HNO3(aq) + Fes (PO.)2() Rule 6: Most…

A:

Q: 68

A: In the valence shell of halogens,  there are 7 electrons,  hence they have high tendency to accept…

Q: Br2(at)+2NaI(aq) --> 2NaBr(aq)+I2(aq) Cl2(aq)+2NaBr(aq) --> NaCl(aq)+Br2 Will a reaction occur…

A: Br2(at)+2NaI(aq) --> 2NaBr(aq)+I2(aq)   Cl2(aq)+2NaBr(aq) --> NaCl(aq)+Br2

Q: Assign the following elements oxidation numbers based on common trends in the periodic table. In…

A: Since we know that Oxidation number, also called oxidation state, the total number of electrons that…

Q: What is the difference between an oxidation number and a valence number?

A: Valence number depends on the atomic number of an element while the oxidation number depends on…

Q: For each reaction in the table below, write the chemical formulae of any reactants that will be…

A: Identify the oxidized and reduced species --

Q: Provide a definition for each of the four types of redox reactions.  Indicate the type of redox…

A: 1. A single-displacement reaction or displacement reaction is a chemical reaction in which one…

Q: Identify a true statement about a redox reaction.   It involves a transfer of protons from one…

A: A redox reaction involves the oxidation, as well as reduction reaction. These types of reactions…

Q: 1.) How many electrons were gained and lost in the reaction? 2.) Which atom among the reactants is…

A: In the combustion of methane  Carbon is oxidised by loosing 8 electron and oxygen is reduce by…

Q: Determine the oxidation state of X (a fictional element) in the following compounds/polyatomic ions,…

A: Given compound: XO3-1Oxidation state for O= -2Calculating the oxidation state of X, x +3(-2) = -1x =…

Q: 30. Your book gave examples of oxidation reactions and reduction reactions. Can an oxidation…

A: Oxidation is a process involving the loss of electrons from a species, whereas, reduction is a…

Q: Unbalanced Reaction Equation: Fe2+(aq) + MnO4-(aq) → Fe3+(aq) + Mn2+(aq) Question Content Area MnO4-…

A: Given :-  Fe2+(aq) + MnO4-(aq) → Fe3+(aq) + Mn2+(aq)  MnO4- is reduced here  To find :-  Oxidation…

Q: Indicate whether the statement below is true or false. The sum of the oxidation numbers in…

A:

Q: Assign oxidation numbers to the nitrogen atoms below: N20 NO3- N20s NO2 Justify your Is the…

A: Oxidation number on nitrogen is the total number of gained or lost electrons by nitrogen to form a…

Q: Using the reaction 2Al(s) + 3CuCl2·2H2O(aq) -> 3Cu(s) + 2AlCl3(aq) + 6H2O(l), complete the…

A: Applying concept of oxidation and reduction.

Q: NaHCO3(s) + HC2H3O2(aq) =CO2(g)+H2O(l)+NaC2H3O2(aq) Is this an oxidation or reduction reaction? Just…

A: This is neither an oxidation nor a reduction reaction. This is not a redox reaction. This is an…

Q: Calculate the increase or decrease in the oxidation state for each element listed as it changes from…

A: In a chemical reaction, the reactants of an appropriate mass are converted into the product. The…

Q: 1. sulfurous acid (aq) + barium hydroxide (aq) → products 2. ferric phosphate(s) +…

A:

Q: 2Cl- = Cl2 + 2e-   Question 24 options:   In this reaction Cl- gains electrons and therefore its…

A: The gain of electrons by the species is termed as reduction and the loss of electrons by the species…

Q: Balancing using only oxidation number method. Please show complete steps in balancing. Don’t skips…

A: The solution is as follows:

Q: Part a) Identify the oxidation numbers for all the species. Part b) Look at the oxidation numbers…

A: Oxidation Number -  It is basically the number of electrons that is gained or lost by an ion in the…

Q: MgCO3  What is the oxidation state of oxygen? What is the oxidation state of Magnesium? What is…

A: Given that, MgCO3 Determine oxidation state of each atom ?

Q: Assigning oxidation numbers Some chemical reactants are listed in the table oxidation state of…

A: Given :-  NH4+(aq)       Cu2+(aq)        H2O(l)             Cu2O(s)  To assign :-  Oxidation state…

Q: oxidation reaction cannot happen without a reduction reaction.  True or False?

A: The oxidation reaction can not occur without reduction if one substance losses electron then some…