Describe the role of(i) NaCN in the extraction of gold from gold ore.(it) SiO2 in the extraction of copper from copper matte.(iii) Iodine in the refining of zirconium. Write chemical equations for the involved reactions.

Q: Without consulting any source other than a periodic table, what relative level of toughness would…

A: Ti -Titanium is the transition metal having atomic number 22.  Ti can loses its two electrons to…

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: Magnesium ions are removed in water treatment by the addition of slaked lime, Ca1OH22. Write a…

A: Presence of magnesium ions in water is responsible for the hardness of water. So, during water…

Q: What mass of silver oxide, Ag2I, is required to produce 25g of silver sulfadiazine, AgC10H9N4SO2,…

A: Molecular mass of any compound is sum of atomic masses of all the elements present in that compound…

Q: to

A: The compound FeCaSi2O6 have a polymer unit called Si2O6⁴- .    This unit is called inosilicate.

Q: Write chemical equations for the following processes: (i) Chemical reaction for ΔH°f for mercury(I)…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Boron nitride (BN) is made by the reaction of boron trichloride with ammonia.(a) Write a balanced…

A:

Q: of 15.00 x 10 mA flows for exactly two hours, calculate the number of tin atoms in the metal…

A: Using Faraday's law of electrolysis  Mass = Mit/nF Where, M = molar mass           i = current =…

Q: How would you expect the structure of the ozonide ion, O3-, to differ from that of ozone?

A: VSEPR theory or valence shell electron pair repulsion theory is a model that is used to predict the…

Q: Write the balanced reaction for the synthesis of Al2O3 from its elements?

A: Since the synthesis reaction has formation of 1 mole of compound to be synthesise from its natural…

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

A: To determine chemical formula of compounds and indicate oxidation state of halogen: Perchloric acid:…

Q: 2. Explain the principle of ion exchange adsorption.

A: The adsorption results in the formation of a molecular layer of the adsorbate on the surface.…

Q: The following chemical reaction takes place in aqueous solution: Fe, (SO,),(aq)+6 KOH(aq) →2…

A:

Q: Discuss the nature of bonds in NaCl and diamond. What do you mean by directionality of covalent…

A: Ionic bonds are formed when the atoms transfer electrons among each other leading to formation of…

Q: Complete and balance the following OUTLINED reactions by supplying the products. он + Na* OH (aq) Ka…

A:

Q: Hydrogen fluoride is produced industrially by the action of sulphuric acid on CaF2. Suppose 308 kg…

A: 1) the percent of yield is = 73.5%. 2) the unreacted CaF2 is = 81.7 Kg.

Q: Describe the differences among a  closo  -borane, a  nido  -borane, and an arachno  -borane.

A: Closo-borane:  closo borane has closed triangulated polyhedral structure. And it also has a closed…

Q: What is rock salt? Mention its colour and the reason due to which it has this colour ?

A: Salt is a mineral consisting predominantly of sodium chloride, a chemical element that belongs to a…

Q: Explain the role of each of the following in the extraction of metals from their ores :(i) CO in the…

A: Extraction of metals: Extractive metallurgy is the practice of removing valuable metals from an ore…

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

A: The process used for metal extraction in the pure form is named Metallurgy. Metals are extracted…

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: Write chemical equations for the following processes: (1) Reduction of VO2 + to produce VO2+ (2)…

A: Chemical equations: (1). Reduction of VO2 + to produce VO2+:

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: How can you separate alumina (Al2O3) from silica present in bauxite ore? Write the chemical…

A: Filtering of aluminum from bauxite: Finely powdered bauxite metal is processed with a watery…

Q: Write the role of the following: (i) Iodine in the refining of zirconium (ii) Silica in the…

A: i) When impure zirconium is heated with the iodine, it will form volatile compound ZrI4, which on…

Q: Write chemical equations for the following processes: (iv) Reduction of VO2+to produce VO2+ (v)…

A: iv) Since in VO2+ , V is in 5+ state and in VO2+ , V is in 4+ state Hence the reduction of VO2+ is…

Q: The reaction 2A(g) ⇌ B(g) is found to have Kp = 24.5. What would the equilibrium constant be for…

A:

Q: What is the best synthesis and purification method with regards to cobalt(II) sulphate (CoSO4.7H2O)

A: Cobalt(II) sulphate can be synthesized by the reaction of cobalt metal with aqueous solution of…

Q: Write chemical equations for the following processes: Reduction of VO2+ to produce VO2+…

A: 1) Since the reduction reaction means gain of electrons And in VO2+ , V is in 5+ state and in VO2+ ,…

Q: Roles of carbon IV oxide in soft drinks

A: Carbon (IV) oxide is a chemical compound with the formula CO2. It is commonly known as carbon…

Q: Pyrite (FeS2) can be leached by oxygen in sulfuric acid solution to form ferric sulfate. Write the…

A: A balanced reaction is the reaction in which equal number of atoms are present on both the sides of…

Q: Write and balance the combustion reaction of methyl sorbate C7H10O2

A: Answer: Combustion of an organic compound that contains carbon, hydrogen and oxygen, means reacting…

Q: The titanium chloride then reacts with liquid magnesium at 900°C to givetitanium and magnesium…

A: 2Mg + TiCl4  → 2MgCl2  + Ti

Q: Write chemical equations for the following processes: (iv) Reduction of VO2+ to produce VO2+ (v)…

A: iv) Since in VO2+, V is in 5+ state and in VO2+, V is in 4+ state Hence the reduction of VO2+ is…

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

A: Chemical formula of Sodium hypochlorite is NaClO  or  NaOCl . Oxidation state of Na = +1 Oxidation…

Q: Why is it not possible to plate a metal spoon with aluminium using 1.0M Al(NO3)3 (aq)?

A: In aqueous solution, water and aluminum salt is present. When a metal spoon will be kept here that…

Q: Magnesium metal can be produced via the electrolysis of molten magnesium chloride harvested from…

A: a.) The molten MgCl2 contain two type of ions Mg2+ and Cl-. The magnesium ions undergo reduction to…

Q: 17.The complete combustion of 9.25 g of a compound of molar massM=74g-mol- containing carbon,…

A: Given : Mass of compound combusted = 9.25 g Molar mass of compound = 74 g/mol. Volume of carbon (IV)…

Q: Describe the role of (i) NaCN in the extraction of gold from gold ore. (ii) Si02 in the extraction…

A: The extraction of metals in pure form is defined by the metallurgical process. Metals are made to…

Q: >Magnesium ions are removed in water treatment by the addition of slaked lime, Ca(OH)2. Write a…

A: Presence of magnesium ions in water is responsible for the hardness of water. So, during water…

Q: 3. Write and balance the chemical equation for the oxidation of I ion in aqueous solution by…

A: Here balance the equation by oxidation and reduction reaction.