Explain why iron and manganese exist in the lower oxidation states at the bottom of large eutrophic reservoirs. What measure would you take to remove iron from such a reservoir?

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: What allotrope of carbon is used to reduce iron ore? O Coke

A: Solution: We know iorn ore is a mixture of hematite (Fe2O3) and magnetite (Fe3O4). So the iorn is…

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

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Q: Account for the following : (a) Copper shows its inability to liberate hydrogen gas from the acids.…

A: Oxidation is the process that involved the loss of electrons and oxidized to cation.  Hence when a…

Q: What are the main principles of ?converting cast iron to steel

A: Ore is a mineral from which the metals are conveniently extracted in a profitable way. For example,…

Q: What is the oxidation state of an individual sulfur atom in MgSO4 ?

A: Oxidation state of Magnesium is +2Oxidation state of Oxygen is -2

Q: in the metallurgy of sodium by electrolysis, why excess of CaCl2 is mixed with NaCl ?

A: Metallurgy of sodium:Formation of metallic fog occurs at molten temperature where melting point of…

Q: Why does Copper oxide turns red when reduced? What material is responsible for this?

A: In any chemical reaction, if number of electron is increasing of individual atom or molecule then…

Q: What is the change in the oxidation number of chromium in the following? K2CrO4 → Cr2(SO4)3 O…

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Q: What does the following equation represent? 14FE3+ + FeS2 (s) + 8H20 = 15FE2+ + 2S042 + 16H*…

A: The balanced reaction given is,

Q: During the refining of iron, carbon must be present in the blast furnace. Why is carbon necessary to…

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Q: Enumerate some CHEMICAL PROPERTIES of ferrous ammonium sulfate hexahydrate

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Q: The electrolysis of GaBr3 at high temperature produces gallium metal. If a constant electrical…

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Q: Elemental Li and Na are prepared by electrolysis of a molten salt, whereas K, Rb, and Cs are…

A: a) Aqueous salt solutions are mixtures of ions and water. When two half-reactions are possible at an…

Q: Why are sulphide ores converted to oxide before reduction?

A: The main principle of conversion of ores into respective metal is that ores must be changed into…

Q: Determine the chemical equation for the reaction between Fe3+ and Cu2+ with NH3.

A: Ammonia is the weak base.  It is used in the aqueous form.  The reaction of ammonia with the given…

Q: What are biochemical roles of iron,sodium and copper?

A: Given elements,        Iron, sodium and copper

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

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

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Q: What are the clinical uses of iron preparations? Explain the use of sulfuric acid in the analysis?

A: We have to describe the clinical uses of iron preparations and also explain the use of sulfuric…

Q: (a) Write the principle involved in the following :(i) Zone refining of metals(ii) Electrolytic…

A: (a) The principle involved in the following process is as follows: (1) Zone refining of metals: This…

Q: MnO−4 reacts with Fe2+ in acid solution to produce Fe3+ and Mn2+.  Write a balanced equation for…

A: From the given information, the half reactions are, Oxidation half reaction is, Reduction half…

Q: Would you please discuss the importance of the reducing and oxidizing power of an ore?

A: Answer - Ore - A naturally occurring mineral containing a valuable constituent (such as metal) for…

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: What is the chemistry behind why rusting occurs rapidly in moist conditions as compared to a dry…

A: why rusting occurs rapidly in moist conditions as compared to a dry environment? The reason is given…

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 gas produced when iron(II) sulfide is treated with a nonoxidizing acid?

A: Given: Iron(II) sulfide

Q: What would you use to prove that copper is reduced in the following reaction? Fe) + CuSO 4(aq) →…

A: Fe + CuSO4 (aq) → FeSO4 (aq) + Cu(s) The type of reaction is a displacement reaction. In this…

Q: Why some of the heavier p block elements shows two oxidation states?

A: A species gains or loses electrons to form anions or cations respectively. A gain in electron is…

Q: describe sodium borate and its uses.

A: Sodium borate is also known as borax and it is a mineral in nature and it is found naturally.The…

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

A: It is given that copper corrodes to cuprous oxide i.e. Cu2O or cupric oxide i.e. CuO, and the…

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

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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: How much heat (in kJ) is needed to convert 387 g Fe,03 into pure iron in the presence of excess…

A: Given: The weight of Fe2O3 is 387 g. The given reaction is, 2Fe2O3g+3Cs→4Fel+3CO2g ∆H°=+467.9 kJ

Q: What are the products and balanced equation of aqueous solutions of ferrous sulfate and ammonium…

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Q: 1. Write the equations of the reactions. Write the electron balance and put the coefficients and…

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Q: What is the function of SiO2 in the metallurgy of copper?

A: Metallurgy is a process in which metals are separated from its ore.

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…

Q: Why do the alkaline earths have low resistivities?

A: Resistivity is the property of a substance that determines how a substance can efficiently resist or…

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.