Bismuth forms an ion with the formula Bi3+5. Arsenic and fluorine form a complex ion [AsF6] -, with fluorine atoms arranged around a central arsenic atom. Assign oxidation numbers to each of the atoms in the bright yellow crystalline solid with the formula Bi5(AsF6)3 ? 2SO2.

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

A:

Q: What is the oxidation number of sulfur in the tetrathionate ion, S4062?

A: Oxidation number assigned to an element in chemical combination which represents the number of…

Q: 4. The redox reaction between KMNO4 and Na C2O4 is shown in equation 1 of the Introduction. A…

A: Given,  Volume of Na2C2O4 = 25.0 mL  Normality of Na2C2O4 = 0.75 N Volume of KMnO4 = 14.8 mL…

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

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

Q: What is the oxidizing agent in the reaction Zn + 2 H⁺ → Zn²⁺ + H₂?

A: An oxidizing agent, gains electrons and is reduced in a chemical reaction. The oxidizing agent is…

Q: Metal cations in solution are complexed to H2O molecules and exist as hydrated ions. For example,…

A: According to the question,  An aqueous solution is prepared with 0.00139 mol Ni(NO3)2 and 0.353 mol…

Q: The oxidation number of Chromium in K2Cr2O7 is? Group of answer choices +7 +5 +6 +12 +2

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Q: The oxidation number of Na in Na₂SO is:

A:

Q: Write the symbol for:  a) one metal in period 4 that can have multiple oxidation states:    b)…

A: The transition metals show the variable oxidation states. In the transition element, the electrons…

Q: A potassium permanganate solution is prepared by dissolving 4.68 g KMnO4 in water and diluting to…

A: Weight of substance when divided by its molar mass gives the number of moles of that substance.…

Q: Identify the correct oxidation states of Li, N, S and H from each molecule.    Li2O          HNO3…

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

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: During electrolysis of Copper (Cu), a 4A current is passed through electrodes for 2.5 hour.…

A: I = 4 A t = 2.5 hour = 2.5 X 3600 seconds

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: 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: In which compound does phosphorus have an oxidation number of 3-? PF5 PH3 H3PO4 H3PO3 AIPO4

A: Oxidation number: The number of gained or lost electrons during the formation of a bond with another…

Q: What are the oxidation numbers of A element in the ion AO₃²⁻?

A: Charge on O-atom contribute= (-2) per O-atom For A element in  AO32-ion is Oxidation state Of A(x)=…

Q: Given the reaction: Fe2++ Cr2O72- → Cr3+ + Fe3+ (acidic) How many electrons were lost by…

A: A balanced chemical reaction helps us determine the amount of reactant being consumed and the amount…

Q: CoBr2 + 2[(C2H5)4N][Br] --> [(C2H5)4N]2[CoBr4]

A:

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

A: [Rn(NH3)5Cl](NO3) 2          in this Complex compound, there is 3 different ligands are present.…

Q: Question is in the photos

A: Species with higher oxidation state gets easily reduced. Species with lower oxidation state gets…

Q: Which of the following statements are true?(a) Si can form an ion with six fluorine atoms,…

A: The true statements have to be identified.

Q: What is the oxidation state of Ti in TiO2? Group of answer choices 2- 2 4 0 4- 2,

A: "Since, you posted multiple questions . So, we will solve the first question for you. If you want…

Q: Which of the following substances will oxidize Cu (s) but will not oxidize Ag (s)? I2 (s) Br2 (l)…

A: The substance of a higher reduction potential can be oxidized to the substance of lower reduction…

Q: Assign oxidation state to the underlined element. Write your answer on the space provided before…

A: The sum of oxidation states of all the atoms present in a molecule is equal to the charge on the…

Q: b) Indicate whether or not H+ ions are capable of oxidizing at standard state conditions? Pb to Pb²+…

A: Dear student,since the given question is a multiple question. Hence I solved first question…

Q: Assign oxidation state to the underlined element. 1. Na2S2O3 2. NaN3 3. CH4 4. Fe2O3 5. MnO2

A:

Q: What is the reducing agent, in the smelting of iron from iron oxide? Fe2O3 (s) + 3CO (g) à 2Fe (s) +…

A: The given smelting equation : Fe2O3 (s) + 3CO (g) → 2Fe (s) + 3CO2 (g)

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

A:

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

A:

Q: Use the electron configuration of Fe to explain the oxidation states of +2 and +3. Which oxidation…

A:

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

A:

Q: Write a balanced redox reaction for the formation of rust on iron metal and identify the correct…

A:

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: 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: Which statement is true for the following reaction: Fe203 + C - Fe + CO2 O Fe203 is the reducing…

A:

Q: Provide the balanced net ionic equation between Cu2+  and Na2S2O3

A: In the reaction between Na2S2O3 and Cu2+ in a solution, copper thiosulfate CuS2O3 is expected to be…

Q: Which of the following elements is capable of oxidizing Fe2+1aq2 ions to Fe3+1aq2 ions: chlorine,…

A: In order to oxidize Fe2+ to Fe3+, the other element must undergo reduction. The other element will…

Q: What is oxidation? What is reduction? What is an oxidizing agent? What is a reducing agent? Explain…

A: Oxidation refers to the reactions which involve the addition of oxygen or the removal of hydrogen.…

Q: What is the oxidation number of the underlined element? K2SO3 A. –2 B. +4 C. +6 D. –4

A: A question based on structure of atoms that is to be accomplished.

Q: (a) Arrange the following metals in decreasing order of their reactivity Cu, Ca, Mg, Na, Zn. (b) You…

A: Reactivity Cu, Ca, Mg, Na, Zn can be arranged by the following way :

Q: Assign oxidation numbers to the underlined element. 5) Na2O2 6) Na2S2O3 7) NaN3

A: The net charge on all the given molecules are zero. We can determine the oxidation state of the…

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

A:

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

A:

Q: Sodium bismuthate (NaBiO3) oxidizes MnCl2 to MnO4 ̶  and is consequently reduced to Bi(OH)3.  How…

A: The complete balanced reaction is given by  Hence from the above reaction we can see that 3 moles…

Q: 2. Why is the sulfide and the ferricyanide ions must not be mixed?

A: Interpretation - To explain sulfide and the ferricyanide ions must not be mixed.

Q: Good morning, Assign an oxidation state to each atom in each polyatomic ion, Cr2O7-2 Thank you,

A: Since we know that the oxygen has 6 electrons in its valence shell. Hence it will need 2 electron to…

Group 14 Elements

The following elements come under group 14 of the periodic table.