Determine the oxidation number of the following: Cr2O72-, Fe3O4, CaH2.

Q: Which of the following is an oxidation reaction? Ag* → Ag а. CI → CIO, С. b. As+ → AsO, 3- d. Ni* →…

A: Oxidation reaction is the chemical reaction in which increase in the oxidation state of an atom…

Q: Explain why iron and manganese exist in the lower oxidation states at the bottom of large eutrophic…

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Q: Determine the oxidation number of lead in each ofthe following oxides:PbO, PbO2, Pb2O3, Pb3O4.(b)…

A: The oxidation number of lead in PbO O has oxidation number -2, and lead have x oxidation number  x…

Q: What is the oxidation number of X in the X2O72– ion?

A: Given compound : X2O72-  Charge on O = -2  Let x is the oxidation number of X  This compound has -2…

Q: Determine the oxidation state for Gadolinium (III) Chloride, GdCl3

A: Oxidation state of GdCl3: The sum of oxidation numbers for neutral compounds must be 0.

Q: what is an element that exhibits oxidation states of  -1, +5 and +7.

A: Oxidation is the process that involved the loss of electrons and oxidized to cation whereas…

Q: What is the oxidation number of Se atom in SeF5*?

A: Given :-  formula of cation = SeF5+  To determine :-  oxidation number of Se atom in SeF5+

Q: Oxidation number of Cr in K2Cr2O7 is

A: Given Oxidation state of Cr in K2Cr2O7

Q: Define the term nonzero oxidation states?

A: Oxidation state or oxidation number depicts the charge carried on a chemical atom in order to make…

Q: What is the oxidation state of an individual sulfur atom in MgSO4 ?

A: Oxidation state of Magnesium is +2Oxidation state of Oxygen is -2

Q: Calculate the oxidation number of chromium in each of the following. Cr2O3 Na2Cr207 CrSO4 Chromate…

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Q: What is the oxidation number of S in the compound Na₂SO₃?

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Q: What is the oxidation number of Fe in: FeOOH Fe2O3 Fe3O4

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Q: Choose the species that is/are stable in a reducing environment at pH=10.

A: Given is the Pourbaix diagram for As species. The regions in such diagrams represents the species…

Q: Determine the oxidation number of As in NaAsO3:

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Q: How many coulombs would it take to deposit 1.0 g of Ag from solution of silver nitrate.

A: The given data contains, mass of Ag deposited = 0.1 g. Molar mass of Ag = 107.9 g/mol.

Q: Write complete balanced half-reactions for (a) oxidation ofnitrous acid to nitrate ion in acidic…

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Q: What is the oxidation state of the C atoms in C6H12O3?

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

Q: What is the oxidation number of K in KMnO4 (OR K Mn O4)?

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

Q: What is the oxidation number of the chromium atom in K2Cro4?

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Q: 0.5g of a metal gave on oxidation 0.7g of its oxide. The equivalent mass of the metal is [Options]:…

A: Correct Ans - B) 20 Mass of metal = 0.5kg Mass of metal-oxide = 0.7kg Mass of oxygen in oxide =…

Q: What is the oxidations state of S in S3O62-. Explain how this is possible.

A: Given molecule is S3O62-

Q: What is the oxidation number of S in SO4 ?

A: SO4 is a charged molecule having overall -2 charge on it. There are 6 valence electrons in sulfur…

Q: What is the oxidation number of Y in the ionic compounds YC2H3O2

A: Applying concept of determination of oxidation state.

Q: 10. What are the oxidation states of the elements present in S2O3-2?

A: Total number of electrons that atom either gains or losses while forming a chemical bond is called…

Q: What is the oxidation number of Mn in: MnO2

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Q: Calculate the oxidation number of: a. N in NO2- b. P in P2O5

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Q: What is the oxidation number for N in N4O2?

A: Since the Oxygen atom is more electronegative than Nitrogen atoms hence the O will try to have the…

Q: What is the oxidation number of As in: AsO43- AsO33-

A: Calculation of the oxidation number of As in AsO43- ------ Suppose the oxidation number of As = y We…

Q: What are the oxidation numbers of the Group I, Group II, and Group III metal cations?

A: We have to tell the oxidation states of group I, group II and group III metal cations.

Q: what is the oxidation number for, please explain a.  C4H8O4 b.  Fe3O4 c.  VO2+ d.  SnBr4 e.  PH4+ f.…

A: The oxidation number for highlighted atoms are calculated as follows, The general rules are,…

Q: How do you determine the oxidation numbers for the following: a) N2H4 b) Cr2O7-2 c) NH4Cl…

A: You must know the oxidation state of the other elements other than main element for which we are…

Q: What are the oxidation states of the sulfur atoms in the S2O3 2 - ion?

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Q: What is the oxidation number for Xe in Хе02F2?

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

Q: What's the oxidation number of th chloride atom ((CI) in HCIO2?

A: Oxiadtion number represents the charge exhibited by an atom in a particular compound. The charge is…

Q: ions are then oxidized to Fe3+ by 22.4 mL of 0.01 M K2C12O7. Calculate the percent by mass of Mn in…

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Q: What is the oxidation state for KMnO4? Please show or explain calculation

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Q: What is the oxidation number of Cr in Na2Cr2O7 What is the oxidation number of K in KClO4 What is…

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Q: The oxidation number of Fe in Fe2Os is

A: The number given to the element during chemical combination is termed as oxidation number.  The…

Q: Write a balanced net ionic equation for the reaction of MnO4- with H2C2O4 in acidic solution.

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Q: What is the oxidation number of Cl in POCl3?

A: Answer

Q: What are the oxidation numbers of Fe2O3

A: Basic Oxidation number of oxide O2- is -2 There are three Oxygen atom, so 3×(-2)= -6 Let us consider…

Q: What is the oxidation state of bromine in the compound HBrO3?

A: Oxidation state can be calculated as below : Sum of Oxidation state of each atom  = charge of…

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…

Q: In order to obtain 599 g of pure aluminum, molten aluminum oxide is electrolysed at 1000 °C. (a)…

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