Explain the role of each of the following :(i) NaCN in the extraction of silver(ii) SiO2 in the extraction of copper

Q: Describe the equilibrium processes involved in the solvent extraction of metal chelates.

A: Answer - Equilibrium process - Chemical equilibrium, condition in the course of a reversible…

Q: What is the colour of FeSO4.7H2O crystals? How does this colour change upon heating? Give balanced…

A: The chemical formula of ferrous sulphate heptahydrate is FeSO4.7H2O and it can be also called as…

Q: Taking into account the Jahn-Teller effect, predict the structure of [Cr(OH2)6]^2+

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Q: Write the chemical formula for each of the following, and indicate the oxidation state of the…

A: Oxidation state of an element represents the number of electrons lost (positive oxidation state) or…

Q: Titanium (IV) exists in aqueous solution but not as the Ti4+(aq) ion. Suggest the identity of the…

A: Titanium exhibits +2, +3 and +4 oxidation states. It is extracted from an ore which consist of…

Q: Thortveitite is a mineral that contains the silicate ion [Si2O7]6-. The structure of this ion is…

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Q: What is the significance of leaching in the extraction of aluminium ?

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Q: Write the role of the following: (i) CO in the purification of nickel (ii) Graphite rod in the…

A: The Mond’s process is used for the purification of nickel. This process is also called as carbonyl…

Q: Explain the role of each of the following: (i) NaCN in the extraction of silver. (ii) Si02 in the…

A: Extraction of metals: As metals are found in mines in combined state in ores. It is necessary to…

Q: What is the oxidation number of titanium in TiO2?

A: Given :- chemical formula of compound = TiO2  To determine :- Oxidation number of Ti in TiO2

Q: Name the following compounds and assign oxidation states to the halogens in them:H5IO6

A: H5IO6 is called as periodic acid

Q: The oxidation number of platinum in Pt(H2O)4 ^+2 is

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Q: Describe the principle involved in each of the following processes :(i) Zone refining of metals(ii)…

A: (i) Zone Refining of metals : The principle of zone refining is based on the principle that…

Q: what is the role of silica in the metallurgy of copper?

A: The most important ore of copper found on the earth is the copper-pyrite ore whose chemical formula…

Q: Describe the following :(i) The role of cryolite in electro metallurgy of aluminium.(ii) The role of…

A: In the extraction of pure metals, certain compounds or derivatives are used to ease the reaction and…

Q: a) Apply MOT to describe bonding in [Fe(H2O)6]³* and [Fe(CN)6]*- b) Describe extraction of uranium…

A: Answer (a) The molecular orbital theory states that each atom tends to combine together and form…

Q: Using data from Appendix E, calculate the equilibrium constant for the disproportionation of the…

A: Cu+(aq) -----------------> Cu2+ (aq) + e-            E0 = -0.15v Cu+ (aq)+ e- --------------->…

Q: Consider the solutions presented: (a) Which of the following sketches best represents the ions in a…

A: Solution is made up of a solute and solvent, its concentration is same in the whole solution. In a…

Q: Why is it important to know the reactions of alkali and alkaline metals in metallurgical processes?

A: Alkali metals are group 1 elements like potassium, sodium, Lithium, cesium, rubidium etc. Alkaline…

Q: Calculate the stoichiometric ratio of Fe3O4 in Fe2O3.

A: Iron (II, III) oxide undergoes oxidation to form Iron (II) oxide.

Q: Calculate the electric charge (in Coulombs) required to deposit 13.5 grams of Al from Al3+ ions.

A: Given,  Mass of Al = 13.5 g  Calculate electrical charge (in Coulombs) required to deposit 13.5 g of…

Q: What is the role of CO2 in the extractive metallurgy of aluminium from its ore?

A: The entire scientific and technological processes involved in the extraction and isolation of a pure…

Q: What is the antifluorite structure?

A: In antifluorite structure, the position of the cations and anions are reversed to that of the…

Q: Which of the following acids would be capable of reacting with a silicate (SiO2) mineral? A) HF B)…

A: silicon dioxide generally Known as silicate not easily reactive with acids in normal conditions but…

Q: What is the mass percent of iron in each of the following iron ores: Fe₂O₃, Fe₃O₄, FeS₂?

A: Mass percent of an element is given by, Mass % =mass of elementTotal mass(100)

Q: Which is more acidic and why?  [Fe(H2O)6]2+ or [Fe(NH3)(H2O)5]2+

A: Acidity: It basically describes the how much amount of acid present in given compound. Acid: Species…

Q: What is the role of zinc metal in the extraction of silver?

A: A separation method involving the separation of a material from a matrix is called as extraction…

Q: The mass percentage of Fe2O3 in hematite ore, knowing that by treating 0.7 g of the ore in a certain…

A: Given:  Mass of ore = 0.7 gm  Mass of FeO = 0.58 gm

Q: Write the chemical formula for each of the following compounds, and indicate the oxidation state of…

A: Chemical formula represents the chemical proportions of atoms in a molecule. Group 6A of the…

Q: Explain in detail what is the importance 2 the uses of pure Cobalt(II) sulphate ( CoSO4.7H2O )

A: Cobalt(II) sulfate heptahydrate appears as red monoclinic crystals that liquify around 100 °C and…

Q: (i) Indicate the principle behind the method used for the refining of zinc.(ii) What is the role of…

A: The process of extraction of metals ( in pure form) from minerals is termed metallurgy. Minerals may…

Q: Another Group 14 (4) oxide has the formula Pbo. i Determine the oxidation state of lead in PbO and…

A: Given :- formula of group 14(4) oxide = PbO  To determine :- oxidation state of lead in PbO and…

Q: What is the concentration in parts per million of a 0.00175% w/v solution of mercuric nitrate?

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Q: What is the role of NaOH in the metallurgy of aluminium?

A: Given: The extraction of aluminium is done from its ore called bauxite, Al2O3.2H2O. There are…

Q: Under what conditions is the FeO42- ion thermodynamically stable in aqueous solution?

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Q: What is the oxidation number of P in Na​​3PO​​4?

A: Oxidation number of Na = +1Oxidation number of O = -2