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

Q: Consider the reaction:    2 NH3(g)  →  N2(g) + 3 H2(g)   .The oxidation numbers for the N in NH3,…

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Q: What is the oxidation number of sulfur in the polyatomic ion SO32-?

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Q: Use the chemical equation to answer the question. WO3(s) + 3H2(g) W(s) +3H20(g) Which statement…

A: Given :-  WO3(s) + H2(g) ---> W(s) + 3H2O(l)   statements :  O changes oxidation numbers from -2…

Q: state the No. of Atoms Oxidation Number   Sum   The final Oxidation States  "F el2"

A: A question based on atomic structure, which is to be accomplished.

Q: what is the oxidation number of Cl in OCl-(aq)?

A: Given :-  I2(s) + OCl-(aq) → IO3-(aq) + Cl-(aq)  To be determined :-  The oxidation number of Cl in…

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: Part A)    Write the chemical formula for cobalt (II) selenate hexahydrate     Part B)       The…

A: "Since there are multiple parts in this question and it is not mentioned that which one has to be…

Q: Why are different products obtained when molten NaCl and aqueous NaCl are electrolyzed?

A: During electrolysis :-  oxidation occurs at anode whereas reduction occurs at cathode.  oxidation…

Q: 4- Hg2* ion is spelled differently from the other ions (such as Ag", K*) that have an oxidation…

A: Hg22+ has 2 Hg atoms each having +1 charge. Hence the oxidation state of Hg in Hg22+ is +1.

Q: In which reaction does the oxidation number of hydrogen change? A) HCl (aq) + NaOH (aq) → NaCl (aq)…

A: Answer Option B. 2Na(s) + 2H2O(l)  → 2NaOH(aq) + H2(g)

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: Describe the process of determining Oxidation Numbers?

A: Oxidation number gives an idea about what element should be oxidized or reduced in the redox…

Q: Assign oxidation numbers to the elements in the following compounds: 1. NH4HCO3 2. F2 3. Ca3(PO4)2

A: Compound can be defined as a substance that is made from combination of two or more identical or…

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

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Q: In which reaction does the oxidation number of hydrogen change? A CaO (s) + H2O (/) → Ca(OH)2 (s) B)…

A: We have to identify the following given reactions in which the reaction does the oxidation number of…

Q: The oxidation number of S in SO42- is ___

A: The oxidation number of an atom in a molecule is defined as the number of charges it would carry If…

Q: Assign oxidation numbers to the underlined element.  1) K                                      2)…

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

Q: For the reaction KClO⟶KCl+12O2 assign oxidation numbers to each element on each side of the…

A: Reactant side: KClO  Oxidation number on K = +1 Oxidation number on O = -2

Q: How do I find oxidation numbers? For example: find the oxidation numbers of KMnO4

A: To find out the oxidation number ,we should follow a set of rules Example:  1) In elementary state…

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: What is the oxidation number of  chlorine in chlorous acid. Be sure to write a plus (+) or minus…

A: Using fundamental oxidation state of other elements in HClO2 .

Q: Pb + SO42-+ 4H+Pb2+ + SO2+ 2H2O In the above reaction, the oxidation state of sulfur changes from…

A: The reactions in which the exchange of electrons takes place between the chemical species are known…

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: Which of the following has the correct assignment of oxidation numbers? a. Fe₂O3 (Fe: 2+, O: 2-) b.…

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Q: Redox reactions can be seen all over us. Give an example of daily activities showing REDOX reaction.

A: There are many phenomenon where REDOX reaction takes place , such as , Rusting of iron , combustion…

Q: Oxidation numbers for all atoms in: H2O HCl NaOH CH4 C2H6 CH3Cl

A: Oxidation number is the imaginary or fictitious charge developed on an atom if all shared electrons…

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

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Q: The oxidation number of S is S2O62- is __. a) +4 b) +5 c) +3 d) +6

A: In S2O62- two oxygen atom are bonded with one sulphur by double bond and one oxygen by single bond .…

Q: Assign oxidation numbers

A: The formal charge on an atom in a compound or an ion is called oxidation number of that atom.

Q: 1) Assign oxidation numbers to each atom in the following compounds CO, SO3, H2S, HClO3, HNO3,…

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Q: What is the oxidation number (ON) of Cl in the following compound? Cl2O5 What is the oxidation…

A: Given :-  Chemical formula of compounds :  Cl2O5  N2O7  To find :- oxidation no. of Cl in Cl2O5…

Q: 3. What does the sum of oxidation numbers need to equal for a charged compound? The charge on the…

A: Oxidation number is defined as no of electron shared,gain or loose by atom in the compound.

Q: Question attached

A: A chemical reaction is symbolic representation of the conversion of substances to new substances. In…

Q: True or false. If a substance is oxidized, it is gaining electrons. If an ion is oxidized, its…

A: An oxidizing agent gains the electrons and is reduced in a chemical reaction and it is electron…

Q: Q: Calculate the BOD of a water sample containing 300 mg of phenol in one liter of water?…

A: BOD (Biological Oxygen Demand) is the oxygen required by the bio-degradable organic matter present…

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: Assign Oxidation Numbers to each compound: 1. Cr2O72- 2. H2CO2 3. KMnO4 4. H3O+

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

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

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Q: (8) A 8% Tab Window Help File Edit View History Bookmarks People b My Questions | bartleby Maryanne…

A: The total number of electrons required to form a chemical bond by either losing or gain of electrons…

Q: true or false(a) if a substance is oxidised, it is gaining electrons.(b) if an ion is oxidised, its…

A: We have to explain whether the given statements are true or false-(a) If a substance is oxidised, it…

Q: Assign oxidation numbers to the underlined element.  1) K                                      2)…

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

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. When is a substance reduced during an oxidation reduction reaction? O Only oxidation occurs )…

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Q: Consider the dichromate polyatomic ion, what is the oxidation number of chromium, Cr?

A: Formula for cromate ion = Cr2O72-

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: 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…

Q: но [0]

A: Oxidation: It is defined  by saying that removal of hydrogen and addition of oxygen is called…