What are the oxidation numbers of the elements in the nitrite ion, NO2- ?

Q: A student in a lab mixes 20.0 mL of 5.00 M magnesium chloride solution with 40.0 mL of 2.00 M lead…

A: In solution lead nitrate , Pb(NO3)4 dissociate as Pb2+ + 4 NO3- Thus concentration of NO3- in the…

Q: Which of the following metals will be oxidized by Pb1NO322: Zn, Cu, Fe?

A:

Q: Which of the following is the best reducing agent? O Ba2+ O Ca(s) O Mg2+ O Mg(s) O Ba(s)

A: We have to choose the best reducing agent among the following given options as follows in step 2:

Q: In water, the Fe3+ ion exists as Fe(H2O)63+. Fe(H2O)63+ is a complex ion in which the ligands are…

A: You have following data given - mole of Fe2(SO4)3 = 0.0500 Mol Volume of solution = 1.00 L

Q: i) What is K for this redox reaction? ii) Is this reaction likely to occur? iii) Is the reaction…

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Q: what is initial and final oxidation state in Oxalic acid in this reaction? 2- 2- 3+ Cr,0,+ C,0,→ 2Cr…

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Q: What volume of 0.480 M  KMnO4 would be required to titrate 0.43 g  of  K2[Cu(C2O4)2]⋅2H2O?

A: The balanced net reaction is given as

Q: hich of the fóllowing are redox processes? Cr** → Cro,²- CO2 → CO3²- SO3 → SO,- NO, → NO3 VO3 →VO2

A: Redox reactions are the combination of reduction and oxidation reactions. The type of reaction in…

Q: 2- For which one of the following acids is chlorine in the +3 oxidation state?

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Q: What is the charge on copper ions in a solution of Cu(NO3)2? O Cu (0) O Cu (+1) O Cu (+2) O Cu (+3)

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Q: What are the oxidation numbers of A element in the ion AO,2?

A: Oxidation number refers oxidation state of the element.

Q: In the following reaction, which only goes from left to right, which species is being oxidized?…

A: In the following reaction, which only goes from left to right, which species is being oxidized?  2K…

Q: What is the oxidation number for P within the polyatomic ion: Be2P2O7

A: We have to tell which option is correct from given choices of options

Q: What are the oxidation states of all the elements in HPO42-?

A: ANSWER

Q: Write the balanced NET ionic equation for the reaction when Na₂S and ZnCl₂ are mixed in aqueous…

A: The reactants given are 1) Na2S (aq) 2) ZnCl2 (aq) The reactant will undergo double displacement…

Q: Identify the oxidation numbers to all the elements in each of the compound or ior Na O a. Na=3 Ob.…

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Q: A small piece of aluminum metal is dropped into a test tube containing 1.0 of conc. Nitric acid The…

A: All metals that are found above hydrogen in the activity series liberate H2 gas upon reacting with…

Q: Calculate the concentration of all ions present in each of the following solutions of…

A: 1). 0.100 mol of Ca(NO3)2 in 100 mL of solution. we know that, Ca(NO3)2 has 2 mol of NO3- and 1 mol…

Q: Balanced net-ionic equations of Na2Co3 and NaC2H3O2

A: Both these compounds are water-soluble

Q: The overall charge on the polyatomic "dichromate" ion (Cr207) is -2. What is the oxidation number of…

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

Q: What is the oxidation number of manganese in the KMN04

A: In KMnO4 , the elements present are K, Mn, and O. K is an alkali metal which shows +1 oxidation…

Q: In water, the Fe3+ ion exists as Fe(H2O)63+. Fe(H2O)63+ is a complex ion in which the ligands are…

A:

Q: When AgNO3 dissolves in water, what ions does it break apart to form in the resulting solution?

A: Ionic compounds are those which when dissolved in water dissociate into ions called cations and…

Q: A 0.0283 mol of sodium produced from molten sodium chloride, NacI(1) when a specific charge is used.…

A: The question is based on the concept of electrochemistry. we have been given moles of sodium…

Q: What volume of 0.170 M KMnO4 would be required to titrate 0.38 g of K2[Cu(C2O4)2]⋅2H2O?

A: Given, molar concentration of  KMnO4 = 0.170 M            mass of K2[Cu(C2O4)2]⋅2H2O = 0.38 g Now,…

Q: What would the redox reaction, Cr(OH)3 + Br2 → CrO42− + Br−, be in a basic environment? Balanced…

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Q: Which is the strongest oxidant: Br2, Cl2, I2, Br-, Cl-, or I-? Explain.

A: Oxidizing agent is the one which remove electrons from other reactants during reactions.

Q: 2- Zn(OH), + 2Ag Zn + Ag,O+ H2O+ 2OH¯ In the above reaction, the oxidation state of zinc changes…

A: In the given reaction: The O.N. of the given species can be assigned as follows:

Q: Write the net ionic equation for the precipitation of nickel(II) sulfide from aqueous solution:

A: Net ionic equation is defined as an equation which shows only those elements or ions or compounds…

Q: 1.What is the pH of a solution containing a hydrogen ion concentration of 1.0 x 10-3 M?   2. What…

A: Solution  -

Q: The solubility equilibrium for Mn(IO3)2 is:

A: Equilibrium solubility of salt AxBy                                                        AxBy (s)…

Q: Calculate the activity of La+3 and IO3-,in a saturated solution of La(IO3)3 in a) water

A:

Q: Determine the oxidation numbers of the elements in the following:

A: Oxidation number or oxidation state is defined as the number that is assigned to elements present in…

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: What type of redox reaction is the following? 103¯¯+51 +6H*→3 12 + 3 H₂O Comprportiontion Not a…

A: A chemical reaction in which oxidation and reduction take place simultaneously is called a redox…

Q: Which is the strongest oxidizing agent in acidic solution: dichromate ion, which contains…

A: Given ions,    Dichromate ion, which contains chromium(VI)    Permanganate ion, which contains…

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: iii). The reducing agent for the forward reaction in: Mn²+ + Bi03 → MnO4 + Bi3+ is,

A: Given :-  Mn2+  +  BiO3- → MnO4-  +  Bi3+  To identify :-  Reducing agent in forward reaction

Q: What chemical could you add to effectively separate Ag+ from AL3+ if both ions are present in a…

A: BY using ion seperation

Q: At 18°C a 0.001-M aqueous solution of potassium hydrogen carbonate, KHCO3 , conducts a current in a…

A: Potassium bicarbonate dissolve in water. It dissociate into water to produce potassium ion ( K+)…

Q: Which of the following is the reducing agent? Cu + 4HNO3 –→ Cu(NO3)2 + 2NO2 + 2H2O

A: Given :  To determine the reducing agent in the above reaction.

Q: In water, the Fe3+ ion exists as Fe(H2O)63+. Fe(H2O)63+ is a complex ion in which the ligands are…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: What is the oxidation number of manganese in the permanganate ion, MnO4-?

A: Given: The ion is MnO4-.

Q: GIVE THE BALANCED CHEMICAL EQUATION FOR EACH OF THE FOLLOWING REACTIONS: ( 1. 2. 3. identification…

A: There are different type of test to identify different ions present in their respective compounds -…

Q: Assign oxidation numbers to each of the elements in the compounds below. nitrosyl fluoride F N NOF…

A: The oxidation number can also be called an oxidation state. The oxidation number is defined as the…

Q: Identify the oxidation numbers to all the elements in each of the compound or ions S8 a Se-3 Ob Se=0…

A: