What is the oxidation number for each of the following elements? (e.n.'s: C = 2.5, O = 3.5, H = 2.1) Co in Co (NO3)a

Q: 2- What is the oxidation number of chromium in the dichromate ion, Cr2 O7 ? +3 +8 O+12 O+2 O+6

A: Let the oxidation number of chromium be x and oxidation number of oxygen is -2 We know that addition…

Q: Consider the following reaction:3Fe(s)+4H₂O(g)⇌Fe₃O₄(s)+4H₂(g)(a) What is the apparent oxidation…

A: Given reaction,

Q: What is the oxidation state of each element in K, Cr, 0,? Cr What is the oxidation state of each…

A:

Q: Which of the carbonates given below is unstable in air and is kept in COa atmosphere to avoid…

A: Given Carbonates : (a) BeCO3 (b) MgCO3 (c) CaCO3 (d) BaCO3

Q: Obtain the oxidation number for the N in NH3. O-3 O+4 O+3 00

A: Oxidation number is the charge present in the atom in a chemical species by assuming the compound is…

Q: Assign oxidation state to the underlined element. 2. SO2

A: Oxidation State of Sulphur in the molecule SO2

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: (a) Neutralization of an aqueous solution of barium hydroxide by the hydronium ion (b) Reaction of 1…

A: Reaction are written in the form of equation is called chemical equation, in chemical equation ,…

Q: (2) 3luaai What mass of KMNO4 must be dissolved to prepare 1.25 L of O.110 N KMNO4 solution? (K =39…

A:

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

A: Following is the chemical equation of preparation of Carbon dioxide (CO2) in laboratory.

Q: What is the oxidation state of each element in K,Cr,0,? Cr к What is the oxidation state of each…

A: (a) Oxidation state of each elements in K2Cr2O7 Oxidation state of K = +1 Oxidation state of Cr = +6…

Q: What is the oxidation state for carbon in C3 02

A: The given molecule is C3O2. Since this is an oxide, the oxidation state of each O is -2.

Q: 4. What is the oxidation state of oxygen in nitric acid?

A: The chemical formula of nitric acid is HNO3.

Q: Write the balanced equation for the reaction shown. D= N, W = H, = NH, %3D

A: Atoms can neither be created nor be destroyed. Total number of atom in the reactants are converted…

Q: 1. Identify the type of reaction represented by each equation. Explain your answers. MnSO, Mn0 + SO3…

A:

Q: What is the oxidation state of bromine in the compound NaBro,? a) +2 b) -3 c) -4 d) +5

A: Correct answer is (d) +5. NaBrO3  +1 + x + ( -2 x 3) = 0 x = +5

Q: Magnesium reacts with oxygen to form magnesium oxide according to the following reaction: 2 Mg + O2…

A: • Calculation of oxidation Number follow the          following rule :-i oxidation No. of free…

Q: -1 6 7 Oxidation number the number which is the most stable state of the Mn species is а. 1 b. 2 с.…

A: Mn2+ is the most stable species. From this diagram , thermodynamic stability is found at the bottom…

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

A:

Q: A metallurgical laboratory carried out analysis of a sample in which analysis of Mn was done by…

A: The mass of the ore sample is = 3.18 g The mass of the MnSO4 precipitate is = 0.28 g The percentage…

Q: ( P 4 ) is commercially prepared by heating amixture of calcium phosphate (CaSi O 3 ), sand (SiO 2…

A: Given that : Mass of Ca3(PO4)2 = 250.0g Mass of SiO2 = 400.0 g Yield of P4 =? Percent yield of P4 =?…

Q: 6 a) . For each of Nitrogen-and Sulphur, give the formula and name of the stable compounds with the…

A: Answer  Stable compound of Nitrogen and Sulphur

Q: In which of the following does nitrogen have an oxidation state of +4? O A. HNO3 B. NO2 C. NaNO2 O…

A: The oxidation state tells the degree of oxidation that means the loss of electrons of the atoms in a…

Q: How many coulombs are required to plate a layer of nickel metal 0.125 mm thick on a coin with a…

A:

Q: What is the oxidation state of bromine in BrO3–

A: Generally, the oxidation number is also called the oxidation state of that atom. The oxidation…

Q: 3. The oxidation number of Cr in (KCr₂O7-1) is: A. 4 B. 3 C. 6 D. 5

A: Oxidation state is defined as charge on element. Oxidation can be calculated on any element present…

Q: What is the oxidation state of an element, like Cu or F2? O-1 02

A:

Q: 3, Consider the following reactions: Fe2+ + 6 H+ + VO43- > VO2+ + 3 H2O A, what is the oxidation…

A: The common oxidation state of oxygen in most of its compound is -2. The sum of the oxidation states…

Q: Give the oxidation state of sulfur in (a) S₈; (b) SF₄; (c) SF₆;(d) H₂S; (e) FeS₂; (f) H₂SO₄; (g)…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: (a) Heavy fuel oils may contain sulphur and vanadium as impunties. Write a balanced chemical…

A: (a)  1) Combustion of Sulphur to produce Sulphur dioxide : 2) Oxidation of Sulphur dioxide to…

Q: In which compound does sulfur have the highest oxidation number? O NazSO4 O H2S O SCI2 O SO2 O H2SO3

A:

Q: A metallurgical laboratory carried out analysis of a sample in which analysis of Mn was done by…

A:

Q: 4. Fe reacts with steam at high temperature, forming hydrogen and metal oxide 5. F reacts violently…

A:

Q: What are the oxidation states of sulphur in the following sequence of compounds, from left to right?…

A:

Q: In which compound does sulfur have the highest oxidation number? O NazSO4, O H2S O SCI2 O SO2 O…

A: Oxidation state is the positive charge present on that specific atom due to it's attached groups.

Q: What is the oxidation number of the metal in [Rh(NH3)5Cl](NO3)2?

A: The oxidation number of the metal in the complex is must balance the charge that is due to the rest…

Q: In nitrous acid (HNO2) the oxidation state of N is.. 1. +3 2. -3 3. +5 4. +6 а. 1 O b. 2 С. 3 O d. 4

A: The oxidation state of N in nitrous acid HNO2 = ?

Q: What is the oxidation number of sulfur in the compound Al2(SO4)3 ?

A: Given :-  compound = Al2(SO4)3 i.e. aluminium sulfate  To find :-  oxidation number of sulfur in…

Q: What is ΔH for the following reaction? SiO2(s) + 2 Cl2(g) → SiCl4(l) + O2(g)

A: Jdsj

Q: Determine the oxidation state of atom “X” in the compound: H3XO4 .

A:

Q: Find the oxidation state of S in S2O32-

A: The sum of the oxidation states of all the elements in a species is equal to the charge on that…

Q: (b) A metallurgical laboratory carried out analysis of a sample in which analysis of Mn was done by…

A: The mass of the ore sample is = 3.18 g The mass of the MnSO4 precipitate is = 0.28 g The percentage…

Q: он -OCH, А B D E

A:

Q: What are the oxidation numbers of each sulfur molecule in H2S4

A: In the compound given, the central atoms can only be S because there is only 1 valence electrons in…

Q: ssign the oxidization state of Mg(s) -2 +1 +2 0 +4

A:

Q: Determine the oxidation state of the following: 1. P in Zn3(PO4)2 2. Group VIA elements

A: Oxidation state of an element is equal to the charge acquired by an element in the chemical…

Q: The oxidation state of osmium (Os) in OsO4 is а. +7 b. +8 C. +4 d. +6

A: The oxidation state of osmium (Os) in OsO4 = ?

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

A: When Zinc metal is immersed in excess aqueous solution of Hydrochloric acid produces Zinc chloride…