MCQ 6: Compound that has the oxidation state of +2 is A. Tin(I) oxide SnO B. Tin(IV) oxide SnO, C. Lead(IV)oxide PbO2 D. Carbon dioxide CO,

Q: What is the oxidation state of Zn in the product? Is it getting reduced or oxidized or no change in…

A: When the oxidation number increases, then it is oxidation.  When the oxidation number decreases,…

Q: What are the oxidation numbers of the following: (a) C in CH2O (b) C in CO2 (c) C in CH4 (d) C…

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Q: A0.6745 gram sample of KHP reacts with 41.75 mL of KOH solution for completeneutralization. What is…

A: The molarity of the solution is calculated by dividing the number of moles of solute by the volume…

Q: 23. What is the charge (oxidation state) of the cation in Hg20 (mercurous oxide)? 24. What is the…

A: Mercurous oxide has formula Hg2O and it is an inorganic oxide containing zero overall charge.…

Q: KClO4

A: KClO4  overall charge = Zero K= group1A element O has -2 charge

Q: 4. Part B.2. a Identify the chemicals necessary to produce CO2(g). b. Write a net ionic equation for…

A: Interpretation -  To identify the chemicals necessary to produce CO2  and we have to write a net…

Q: 8. The ionic equation shows the reaction between zinc (Zn) and hydrochloric acid. Zn + 2H+ -> Zn2+ +…

A:

Q: 5) For the given reaction: он H,O + C- a. Which species is being oxidized and which species is being…

A: Removal of hydrogen is oxidation and addition of hydrogen is reduction

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: Determine the oxidation state for each of the elements below. The oxidation state of ... zinc ...…

A: The oxidation state of zinc in zinc hydroxide is

Q: What is the oxidation state of each element in K,Cr, O,? K Cr What is the oxidation state of each…

A: Generally O oxidation number = -2, Potassium oxidation number  = +1. How to calculate oxidation…

Q: For anhydrous formula unit A below, determine the oxidation states of all 5 atoms.…

A: The compound given is (NH4)2Fe(SO4)2. The ions present in the above ionic compound are 1) NH4+  2)…

Q: How many atoms of cadmium form from the  reaction of 25.0 mL of 0.0277 M Cd(NO3)2 with 10.5 g of…

A: Given: Molarity of Cd(NO3)2 = 0.0277 M The volume of Cd(NO3)2 = 25 ML Mass of Al =10.5 g Standard…

Q: In the laboratory, chlorine dioxide (ClO2) can be prepared from the reaction of NaClO2 with…

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Q: What is the concentration in % (w/w) of a solution containing 20.0 g of NaCl dissolved in 250.0 g of…

A: Percentage (w/w) means amount of solute divide by amount of solution and multipled by 100.

Q: Combustion reactions (burning of fuels) are another example of redox.  Coal is nearly pure carbon…

A: Redox reaction are those reactions in which oxidation (loss of electrons) and reduction (gain of…

Q: 7- If 13 gr Zn metal is immersed in excess HCl aqueous solution, then how many moles of ZnC12 is…

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Q: 9. A city's water supply is fluoridated by adding NaF. The desired concentration of F is 1.6 ppm.…

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Q: Why is the formation of iron hydroxide, Fe(OH)2, from Fe2+ and OH- not considered a REDOX reaction?…

A: Redox reaction is a kind of chemical reaction in which transfer of electrons occurs between two…

Q: Fe2S3(s)  Oxidation state of Fe : Oxidation state of S : HNO3 Oxidation state of H  : Oxidation…

A: Oxidation state of all the compounds has been given below.

Q: How much CO2 is formed by adding 5 g of baking soda to 75.0 ml of vinegar

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Q: Find the oxidation states of the following: 3. C in CH. 4. Pin H.P,O.

A: We need to determine oxidation states of highlighted atoms in given compounds.    Note : Since the…

Q: Indicate the oxidation state of every individual element in the following compounds. Fractional…

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Q: What is the oxidation state of iron? a. Fe(NH4)2(SO4)2 Group of answer choices Fe2+ Fe3+…

A: (a) Determine the oxidation state of iron in Fe(NH4)2(SO4)2 Oxidation state of iron is taken as ‘x’

Q: 9. KrF2 reacts with Au to give [KrF][AUF6]. Which of the following best describes the role of KrF2…

A: Oxidizing agent are the substance that reduce themselves and oxidize the other substance.  Reducing…

Q: Complete and balance the following (assume that complete oxidation accure a) CH4 + 02 D CaHe + O2 O…

A: A). CH4+2O2→CO2+2H2O

Q: Hydrogen gas, H2(g), reduces hot iron oxide (MM =232), to iron metal. Fe304(s) + 4 H2 (g) = 3 Fe (s)…

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Q: What is the oxidation state on Ec in the formula below? Ec4O18

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

Q: What are the oxidation numbers in    CH33CHO  (If possible, can you please show me the steps to how…

A: Consider the oxidation number of hydrogen is +1 and oxygen is -2.

Q: 22.The semi-reaction shown below represents an immersive reader process. NO-3--NO A) Reduction B)…

A: Answer:- This question is answered by using the simple concept of half reaction method. Firstly the…

Q: Consider the balanced reaction: 2Cr3+(aq)+3PbO2(s)+6H2O(l)→2CrO42-(aq)+3Pb2+(aq)+4H3O+ (aq) a.Which…

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

Q: Which element is oxidized in the reaction below?                 Fe2+ + CrO42- + H2O→ Fe3+ + Cr3+…

A: If oxidation number increases, then element is oxidized. If oxidation number decreases, then element…

Q: 1. Which of the following cannot act as a reducing agent because it has the highest oxidation number…

A: As per our guide lines we are supposed to answer only one question .kindly repost other questions as…

Q: What happens to the chlorine (in CIO3) in the following redox reaction? CIO3 +l→ Cl +12 O a. It is…

A: In this question we have to tell change in oxidation number of chlorine in redox reaction.

Q: If you have 10 g of Brz and dissolved in IL cyclohexane. What is the molality of solution? Density…

A: Given, mass of solute = 10 g, molar mass of br= 79.9 g/mol, volume of cyclohexane = 1 L , density =…

Q: which or the Folowins トhe re dox evements in reaction below have oxidation state of zen? H2 t0…

A: Since we know that in a redox reaction both oxidation and reduction occurred simultaneously . I.e…

Q: 33.For the following reaction:…

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Q: A.  Find the oxidation states of the following: Mn in Na2MnO4 K in KHSO3 O in Al (OH)4¯ C in C2H6 P…

A: The Oxidation state is the number of charge present on particular atom in a Molecule. It can be…

Q: If a redox reaction occured with the 2 redox couples provided below, which species would be the…

A: We have two reduction reaction , we have to identify species acting as oxidising agent.

Q: O C. Mg3=+3; N2=-2 Identify the oxidation numbers to all the elements in each of the compound or…

A: Compound ---- Mg3N2 Oxidation number of Mg and N ?

Q: Hi, Assign an oxidation state to this atom in each polyatomic, CrO4-2

A: Since oxygen has 6 electrons in its valence shell. Hence it will need 2 electrons to complete its…

Q: 6. In the reaction: 2 H2 (g) + O2 (9) ---> 2 H20 (1) a) Which species is oxidized and which species…

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Q: Al(s) + HCl(aq) → AIC13(aq) + H2(g) If 4.5 grams of Aluminum are placed in 100mL of 3.0M…

A: The reaction taking place is given as, => Al (s) + HCl (aq) -------> AlCl3 (aq) + H2 (g) Given…

Q: How many moles of bromine are needed to react completely with 7.2 moles Mn? Mn + Br2 → MnBr4 In the…

A: Given: Moles of Mn =7.2 mol Moles of lithium chlorate = 5.5 mol

Q: 100. In the equation below, which species acts as the oxidizing agent? Pb (s) + PbO2 (s) + 2H' (aq)…

A: In a electrochemical reaction, the gain of electrons is called reduction and loss of electrons is…

Q: KCIO;: K in KCI: KCIO3: Cl in KCI: KCIO;: O in O,: ich element is oxidized? Which element is…

A: Oxidation means loss of electrons and reduction means gain of electrons.

Q: Which of the following has the highest (more positive) oxidation number? Al(s) H in water O O in…

A: Given that : We have to determine which of the following has the highest oxidation number :

Q: What are the most likely products of the reaction between aqueous lithium carbonate and aqueous…

A: To Solve this problem we have to write the chemical equations of reaction between aqueous lithium…

Q: Which of the following is the oxidation state of phosphorus in H3 PO3 ?

A: Given :- H3PO3 (orthophosphorus acid)  To determine :- oxidation state of P in H3PO3

Q: When the same element is both oxidized and reduced in a given reaction, disproportionation is said…

A: Disproportionation reactions are intramolecular redox reactions, in which one element undergoes…