(i) Name the method used for the refining of titanium. (ii) What is the role of Zn in the extraction of silver? (iii) Reduction of metal oxide to metal becomes easier if the metal obtained is in liquid state. Why?

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: 20 g of Hematite ore needed to react with 10.5g from reducing substance in .. to obtain Iron.…

A:

Q: Provide the balanced net ionic chemical equation for the reduction of Fe3+ to Fe2+ by Sn2+

A: Given that : We have to provide the balanced net ionic chemical equation for the reduction of Fe3+…

Q: Consider the statements below, discuss / explain each one from them. If they are false / incomplete,…

A: Minerals are solid substances that are present in nature and can be made of one element or more…

Q: Among Fe, Cu, Al and Pb, which metal (s) can not be obtained by smelting.

A: The arrangement of metals according to their decreasing order of reactivity is termed as reactivity…

Q: Give some physical and chemical properties of Ferrous Oxalate

A:

Q: Write complete balanced half-reactions for (a) reduction ofnitrate ion to NO in acidic solution, (b)…

A:

Q: To study the effects of a weakly acidic medium on the rate of corrosion of a metal alloy, a student…

A: First we would Calculate Kb value using Ka of acetic acid.  Then first we write chemical equation…

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: Write the balanced chemical equation for the reduction of boric oxide, B, Oz, with magnesium powder.…

A: Balanced chemical equation: A reaction is said to be balanced if all the atoms present in the…

Q: Which of the following elements is most likely to be used to prepare La by the reduction of La2O3:…

A:

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 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: On what principle is the method of zone refining of metals based?

A: In nature,metals are not found in pure form . They exist in the form of compounds called ores.Metals…

Q: (а) Give an example of zone refining of metals. (b) What is the role of cryolite in the metallurgy…

A: Metallurgy is the process which is more concern with the extraction and isolation of metals from its…

Q: A slag sample is known to contain all of its iron in the forms of FeO and Fe2O3. A sample of 1,000 g…

A: Redox reactions are the reaction that involves simultaneous oxidation and reduction reactions. A…

Q: The most important oxides of iron are magnetite, Fe3O4, and hematite, Fe2O3. What are the oxidation…

A: metals are found in nature as their ores.Fe has two ores magnetite and hematite.oxidation state is…

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: How many cubic feet of air at a pressure of 760 torr and 0 °C is required per ton of Fe2O3 to…

A:

Q: (a) Give an example of zone refining of metals. (b) What is the role of cryolite in the metallurgy…

A: a) Zone refining of metals is the technique by which impurities are extracted from the metals and…

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: a) : Draw Iron Iron-Carbide diagram and explain its each phase reactions. (b) : Define the following…

A: The carbon in iron is an interstatial impurity. The alloy may form a face centre cubic (FCC) lattice…

Q: Where is the final purification of iron and the production of various forms of steel carried out?…

A: To determine: Where is the final purification of iron and the production of various forms of steel…

Q: Explain the separation of Fe2O3 from bauxite with equations

A: Bauxite  is the ore of  aluminum (Al) in which  iron is present in the form of Fe2O3.  At first  ore…

Q: In iron smelting, what are the possible chemical equations that will involve CaO if CaO is part of…

A:

Q: Several transition metals are prepared by reduction of themetal halide with magnesium. Titanium is…

A: The steps involved in the production of titanium in the kroll's process. In the 1st step…

Q: Metal sulfides are often first converted to oxides by roasting in air and then reduced with carbon…

A: Roasting is defined as the process that involves heating of mineral ores (usually sulfides) in…

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: The oxidation number of Fe in Fe2Os is

A: The number given to the element during chemical combination is termed as oxidation number.  The…

Q: (i) Name the method of refining to obtain low boiling metal like mercury, (ii) What is the role of…

A: Refining consists of purifying an impure metal. It is to be distinguished from other…

Q: (a) Which of the following ores can be concentrated by froth floatation method and why?Fe2O3, ZnS,…

A: When hydrophobic materials are separated from hydrophilic materials through a selective process then…

Q: Although thermodynamically feasible, in practice, magnesium metal is not used for reduction of…

A: The objective of the question is to explain the reason that although thermodynamically feasible in…

d-Block Elements

According to the modern form of periodic table, 118 elements are present which are subdivided as four blocks, namely, s, p, d and f-block elements based on the entry of the valence electron or last electron into which orbital.