formation of white precipitate with sodium bisulfite. *     formation of magenta red coloration. *

Q: A prospector wants to know how much gold is in the ore that he has been mining.  A sample weighing…

A: Mass of the gold sample taken for analysis = 11.2456 g  11.2456 g is diluted to 200.00 mL to form…

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: Why we add CaCl2 for the production of Na metal from its molten chloride?

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Under what soil condition do you think a farmer would treat the soil of his field with quicklime…

A: Due to decaying of organic matter and after harvest of high yield crops the soil becomes acidic.

Q: Observe the physical properties of the metals. Examine each for its state, color, luster and…

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

Q: The formation of specific minerals may often be described using HSAB Theory. Predict which of the…

A: The HSAB (Hard and Soft Acids and Bases) Theory groups ions into soft/hard acids or bases.…

Q: What should be color of your solution before the end point in the determination of magnesium using…

A: Befor the end point the solution should be a wine red color. Direct-titrate the solution with…

Q: Name the type of crystal defect which is produced when NaCl crystal is doped with MgClj.

A: The imperfections in the regular geometrical arrangement of the atoms in a crystalline solid are…

Q: Preparation for the copper (1)chloride Does the colour of the CuCl remain the same if you leave it…

A:

Q: what are some of the ways to identify a cyanide hazard in a gold mining and ore processing site and…

A: According to the ICMC, the amount of cyanide used in commercial gold operations is typically in the…

Q: What is responsible for the purple color of the layer observed in a Molisch test?

A: Molisch test is a test which is used to check for carbohydrates in a given sample.  In it, Molish…

Q: Write a balanced chemical equation for the formation of iron(III) chloride (FeCl3) and iron(II)…

A:

Q: 4. Write the valence electron configuration and the oxidation states for: a. 38 Sr b. 51 Sb

A: here i have mentioned electronic configurations

Q: The Mond process is used to purify nickel metal. The first step converts Ni(s) into nickel…

A: Monds process: Nickel oxide reacts with Syngas at 200 °C to give nickel, together with impurities…

Q: Which of the following methods will be effective for removal of metal ions from hard water? Choose…

A: The hardness of water is due to the presence of calcium and magnesium salts. The hardness of water…

Q: Why is nitric acid added to sodium extract before adding silver nitrate for testing halogens?

A: In halogen test, small amount of nitric acid is added to sodium extract ( lassaigne's extract)…

Q: You have a mixture of KCI, BaCO3, and SiO2, From the following, select the steps that would allow…

A: Answer: Among the given 3 compounds, KCl, BaCO3, and SiO2, the compound KCl is water-soluble and…

Q: Which of the following is the reason for adding pH 4 buffer in the procedure for the…

A: Answer =(C) Ensure that the complex will not precipitate out of the solution

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: Describe the principle controlling each of the following processes :(i) Vapour phase refining of…

A: Vapour phase refining method: It is refining process in which metallic ore is converted into its…

Q: Sodium lauryl sulfate has the same use in embalming fluids as: 1. sodium phosphate 2. citrates 3.…

A: Sodiun lauryl sulfate used in fluid as surfactants.

Q: Why do Potassium permanganate crystals cause the water to change its colors? And why it (Potassium…

A: In following question explain that'scauses  potassium permaganate crystal water to change its colour…

Q: Write the reactions involved in the following processes: (i) Leaching of bauxite ore to prepare pure…

A: Given processes, (i) Leaching of bauxite ore to prepare pure alumina. (ii) Refining of zirconium by…

Q: If 1.14g  of the quicklime is to be used in slaking, how much of the Ca(OH)2 is to be obtained and…

A:

Q: write the balanced equation for Lead (II) Nitrate & Ammonium Acetate. What is the white precipitate…

A: The reactants given are   Lead (II) Nitrate = Pb(NO3)2  Ammonium Acetate = CH3COONH4

Q: in water hardness calcium is a. reacted with surface active agents and precipitates them b.…

A: In water hardness, calcium reacts with carbonate and form compound calcium carbonate. Hence, in the…

Q: (a) Write the principle of electrolytic refining.(b) Why does copper obtained in the extraction from…

A: Write the principle of electrolytic refining.

Q: some Chemical properties of potassium tris (oxalate) iron (III) trihydrate

A:

Q: Which is the common ore of magnesium MgS or MgSO4

A: Ores are the naturally occurring solid material from which a metal can be extracted.

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: In what kind of sulfur preparation is precipitated sulfur preferred? Why?

A: Precipitated sulfur is prepared by boiling sulfur and calcium oxide in water and then precipitating…

Q: What are purification methods of Cobalt (II) Sulphate?

A: If purifying by electrolysis, an aqueous sulfate solution at 50 to 70°C is usually used with a lead…

Q: 1. In what form must iron exist in order to be measured by the phenanthroline method? 2. List some…

A: Iron +II is reacted with o-phenanthroline to form a coloured complex ion. The intensity of the…

Q: Write the chemical reactions involved in the extraction of silver from silver ore.

A: Silver is a noble metal. The most important ore of silver is argentite.

Q: What is one example (that we have looked at) of how a mineral ore is formed? What very specific…

A: Deposits of minerals form when a medium that contains and transports mineral-making ore releases and…

Q: Why is color not an accurate property to use to identify most minerals?

A: Color is not an accurate property to use to identify most minerals.

Q: A student performed an experiment on the determination of dissolved oxygen in a water sample using…

A: A question based on properties of liquid that is to be accomplished.

Q: Why was HCl added for the flame test of barium?

A: Interpretation: To explain why HCl was added for the flame test of barium.

Q: Then, for testing the iodide test, the acidified solution of sodium iodide (NaI) reacts with…

A: Answer: Double displacement reaction: When two compounds react with eath other by an exchange of…

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.