Nikita took Zn, Al, Cu, Fe, M& Na metals & put each metal in cold water and then hot water She reacted the metal with steam: (i) Name the metal which reacts with cold water(ii) Which of the above metals react with steam?(iii) Name the metal which reacts with hot water(iv)Arrange these metals in order of increasing reactivity

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: alance the following equation: Cu(s)+NO3-(aq) yields NO(g) +Cu2+(aq) and explain why redox reaction

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Q: Hydrazine has been employed as a reducing agent for metals.Using standard reduction potentials,…

A: EXPLANATION: Hydrazine is used as a reducing agent thus itself get oxidised. Reduction potential of…

Q: Question 7 A through G

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Q: 'hat is the expression for the equilibrium constant, Kc for the followin memical equation? =2O3(s) +…

A: We have to predict the equilibrium constant expression.

Q: Copper corrodes to cuprous oxide, Cu2O, or cupric oxide, CuO, depending on environmental…

A: The oxidation state of copper in cupric oxide is to be calculated

Q: An acidic solution of copper (.35 M Cu+2) was treated with KOH until Cu(OH)2 precipitated. At what…

A: Given : Concentration of Cu2+ = 0.35 M Using appendix, the solubility product of Cu(OH)2 is 1.6 X…

Q: Use the oxidation method to balance the following reactions. a) IO3- (aq) + HSO3- (aq) SO42- (aq) +…

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Q: For the following redox reaction, balance the equation under ACIDIC CONDITIONS. Cu   +   NO3-…

A: 1) Oxidation Half Reaction :  In this half reaction two electrons removed from the Cu and forming…

Q: Fluorine exhibit only –1 oxidation state whereas other halogens exhibit +ve oxidation states also.…

A: The given statement is, Fluorine exhibit only –1 oxidation state whereas other halogens exhibit…

Q: (a) Corrosion is essentially an electrochemical phenomenon. Explain the reactions occurring during…

A: The redox reactions are the reactions, which involves the transfer of electrons in the reactants. In…

Q: Write the balanced ionization reaction for Fe(No2)2

A: Ionization reaction is a type of reaction which consist of cation and anion.

Q: An unknown metal, x, was placed in a solution of CuCl2(aq) and black solid appeared on the metal.…

A: The reactivity series is a series of metals, in order of reactivity from highest to lowest. It is…

Q: 7 A 1 M solution of AgNO3 is placed in a beaker with a strip of Ag metal. A 1 M solution of Cu(NO3)2…

A: (a). Prediction of which electrode serves as the anode and which as the cathode :- The electrode…

Q: S205 + I, –→I + S,0 (in acidic solution)

A: In a chemical reaction; the substance which involves in conversion is said to be reactant whereas…

Q: Complete and balance the following half-reaction in acidic solution. Be sure to include the proper…

A: Complete and balance the following half-reaction in acidic solution-

Q: 4. Why can't tin (IV), copper (II), antimony (III) and bismuth (III) ions be separated from silver,…

A: In the given question we have, Cations - Cu2+ , Sn4+ , Bi3+ , Cd2+ and Sb3+ Hydrochloric acid = HCL…

Q: Explain briefly the structure of matters affecting the metallurgy of metals?

A: Metallurgy is the  branch of science and technology of extracting and refining metals from their…

Q: What is the oxidation number of chromium in sodium dichromate, Na 2Cr 2O 7?     +6     +7     +12…

A: oxidation number is the total number of electrons gain and lost by the atom in order to form the…

Q: Calculate the concentration of [Ag(S2O3)2]3- in a solution which contains 8.5E-6 M Ag+ ions and…

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Q: In hydrometallurgical zinc production, refining processes are carried out in solution before…

A: Hydrometallurgy is carried out in solution. It is a process in which aqueous solutions are used to…

Q: How many amperes are required to deposit 0.270 grams of iron metal in 466 seconds, from a solution…

A: a) given,

Q: Describe the process for refining iron and its environmental impacts, and suggest strategies for…

A: To, a) Describe the process of refining iron b) Describe environmental impacts c) Suggest strategies…

Q: oxidation state

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Q: Cu + Zn^2+ ---> Zn + Cu^2+  Rationalize the possibility of this reaction (Will this reaction take…

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Q: Given the redox reaction: MnO4- + Fe2+ → Mn2+ + Fe3+   Calculate the oxidation state for Mn in the…

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Q: Describe the reaction Cu + 4HNO3 → Cu(NO3)2 + 2 NO2 + 2 H2O

A: In this reaction Cu is oxidised from 0 to +2 and N is reduced from +5 to +4  So this is redox…

Q: The minerals chalcocite (Cu2S) and malachite (Cu2CO3(OH)2) are two primary sources of copper. What…

A: Oxidation state of copper in chalcocite and malachite:

Q: Based on the information shown in the attached image, which of the following statements are CORRECT?…

A: The process of gain of electrons by a species is termed reduction whereas the loss of electrons is…

Q: Q 7: Calculate the oxidation number of chromium in CrO,².

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Q: Directions: Solve the problem with a complete step-by-step solution. A 0.8040-g sample of iron ore…

A: A 0.8040 g of iron ore is dissolved in an acid. The Fe2+ is titrated with 47.22 mL of 0.02242 M…

Q: half-reaction

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

A: Applying concept of determination of oxidation state.

Q: What is the assigned oxidation number for molybdenum in aluminum molybdate Al2(MoO4)3

A: We have to tell oxidation number for molybdenum in aluminum molybdate

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: -g is a stronger reducing agent (easily oxic

A: We have to write given statement is right or wrong

Q: Balanced overall reaction for RHR: Cu2+(aq) + 2e- → Cu(s) and O2(g) + 4H+ (aq) + 4e- → 2H2O

A: Well, to balance the redox reaction we have to balance the number of electron of both the reduction…

Q: Q.) Balance the following reaction in acidic solution: CIO,+SO,> So+Cr

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Q: Fill in the following brackets. Three Total Arsenate (As5+) is an analog of ["nitrate", "calcium",…

A: Arsenate is  impurity present in water