If the iron in a 0.1500-gram sample of iron ore is reduced and subsequently requires 15.03 ml of permanganate for  oxidation, what is the purity of the ore expressed as percentage of  Fe2O3? 4.000 mL KMnO4 is equivalent to 3.000 mL KHC2O4.H2C2O4 solution (as a reducing agent) and equivalent to  3.000 mL 0.1000 N NaOH (as an acid)

Q: Calculate Eº, Gº, and K at 25 °C for the reaction: 2MnO4 (aq) + 4H+ (aq) + Cl₂(g) (Use: CIO3 to Cl₂…

A: The given reaction is - 4MnO4-aq  +  4H+aq  +  Cl2g   →   2Mn2+aq  +  2ClO3-aq  +  2H2O Oxidation -…

Q: The following chemical reaction takes place in aqueous solution: 2FeCl3 (aq) + 3Na2S (aq) → Fe2S3…

A: Molecular equation:                              2FeCl3(aq) + 3Na2S(aq) →  Fe2S3(s) + 6NaCl(aq)

Q: (Mn) + (O2) + (2H+) => (Mn^2+) + (H2O2)  In the above reaction, the oxidation state of manganese…

A:

Q: 5.3 A 0.1200 g sample of pure iron wire was dissolved in acid, reduced to +2 state and titrated with…

A: 5.3 A 0.1200 g sample of pure iron wire was dissolved in acid and reduced to +2 oxidation state .…

Q: What is the oxidation state of an individual phosphorus atom in PO3 3− ?

A: The objective of this question is to determine the oxidation state of phosphorus in the polyatomic…

Q: The chief chemist of the Brite-Metal Electroplating Co. isrequired to certify that the rinse…

A: Given: In devising the analytical procedure to calculate concentration, a 100 g sample is taken from…

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: Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox")…

A: Redox reaction: The reaction which involve simultaneous oxidation -reduction reaction is called…

Q: Based on given redox reaction; The solution of Fe2+ that is obtained by dissolving 1.187 g of Iron…

A: We will equal gm equivalent of both

Q: Determine the pH, pOH of a 0.050M solution of Fe(H₂O)67 +3

A: The given solution is  solution. Concentration of solution = 0.050 MKa of =

Q: What is the redox reaction of hypochlorite if titrated with sodium thiosulfate?

A: Redox reaction: It is a kind of reaction in which one species is oxidized and while the other is…

Q: A student proposed that the balanced chemical equation for this reaction is: Pb(NO3)2 + 2Nal > Pbl,…

A: ANSWER IS :

Q: A 100.0 mL sample of spring water was treated to convert any iron Fe2+. Addition of 25.00 mL of…

A:

Q: 7. Give the oxidation number of nitrogen in each of the following compounds or ions: (a) Li3N (d)…

A: Rules for assigning oxidation numbers:- The oxidation number of a free element is always  Fluorine…

Q: Balance the following redox reactions using the half reaction method in acidic solution. a.…

A: The process consist of a stepwise complete mechanism. One thing which is notable that electrons…

Q: 14. Balance the following reaction in basic solution Fe(OH)2(s) + MnO4 (aq) → MnO2 (s) + Fe(OH)3(s)

A:

Q: Identify the oxidizing agent in the following reaction - and why? Zn(s) + 2MnO2(s) ----> ZnO(aq)…

A: In generally, loss of electron is oxidation and gain of electron is reduction.Addition of oxygen and…

Q: Based on given redox reaction; The solution of Fe2* that is obtained by dissolving 1.187 g of Iron…

A: We have to find the mass percentage

Q: 22. Use the oxidation states method to balance the reaction: _ So,2- (aq) + Fe2+ (aq) + _H* (aq) _…

A: We have to balance the given equation

Q: oxidation state

A:

Q: Complete by balancing and classify the following reaction Al(metal foil)+CuCl2

A: Interpretation-  To complete by balancing and classify the following reaction of Al(metal foil ) +…

Q: In acidic solution, sodium oxalate, Na,C,0,, is oxidized to CO, by MnO, . In the process, MnO, is…

A:

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: The Fe2+Fe2+ (55.845 g/mol) content of a 2.063 g steel sample dissolved in 50.00 mL of an acidic…

A:

Q: Complete and balance the following redox reaction in acidic solution 2+ MnO4 (aq) + S₂O3(aq) →…

A:

Q: A 0.8040 g sample of an iron ore is dissolved in acid. The iron is then reduced to Fe²+ and titrated…

A:

Q: Balance the following reactions in acidic and basic medium. Al(s) + O2(g) + [Al(OH)4] Cr2072 +…

A: balancing of chemical reactions

Q: Fill in the blank with an integer, for example, 2, 6, 19, 23, etc. 1.1 g of copper ore is dissolved…

A: The involved chemical reaction is given as: 2Cu2+ + 4I-   ---->  Cu2I2 + I2 I2 + 2S2O32-…

Q: What happens in this reaction? 3Zn(s) + 2Cr3*(aq) 2Cr(s) + 3Zn2*(aq)

A: The species whose oxidation number increases is oxidized  The species whose oxidation number…

Q: 2. A sample iron ore weighing 0.6428 g is dissolved in acid, the iron is reduce to Fe2*, and the…

A:

Q: Given that sodium oxalate is dissolved in a flask and is titrated to its equivalence point with 30…

A:

Q: A 1.362 g sample of an iron ore that contained FegO4was dissolved in acid and all of the iron was…

A: Given that : Mass of iron ore sample = 1.362 g The molar mass of Fe3O4 is 231.5 g/mol

Q: what is the oxidation number for K3N potassium nitride

A: Potassium Nitride = K3N It is an ionic compound

Q: following redox reaction(in acidic solution). State oxidation and reduction half reactions.

A: The reaction, in which an atom loses an electron, is called an oxidation reaction. The reaction in…

Q: A sample of iron ore weighing 0.962 g was dissolved in dilute acid solution, and all the Fe(II) was…

A:

Q: Consider the following redox reaction: Cl207 (aq) + H202 (aq) CIO2 (aq) + 02 (g) ->

A: Step : 1             Balance the redox reaction.

Q: After reducing a 0.4080 g iron to Fe²⁺, it was titrated with 42.72 mL of 0.1211 N KMnO₄ solution.…

A: The chemical reaction taking place is: MnO4-+5Fe2++8H+→ Mn2++5Fe3++4H2O Mass of Fe3O4 in the sample…

Q: a solution prepared by dissolving 0.2541g sample of electrolytic iron wire in acid was passed…

A: Given :  Mass of iron wire = 0.2541 gm  Volume of Cr2O7-2 solution = 36.76 ml

Q: What is the reducing agent?

A: