Why is boron limited to a maximum coordination number of four in its compounds?

Q: How many types of boranes does boron forms?

A: Boranes are the compounds containing boron and hydrogen atoms. These types of compounds can be…

Q: Describe the basic properties of Chlorite.

A: Silicon is the element of group-14 of the periodic table. It forms a variety of inorganic compounds…

Q: Describe the preparation of potassium permanganate. How does the acidified permanganate solution…

A: The chemical name of Potassium permanganate is KMnO4. It is an inorganic compound and dark violet in…

Q: Would you expect powdered solid aluminum to act as an oxidizing agent or as a reducing agent?

A: In acidic medium, In basic medium,

Q: What is the oxidation number of sulfur in Na2S2O5?

A: We know some Oxidation state like, Oxidation state of Oxygen = -2  Thus 5 oxygen means 5 x (-2) =…

Q: Select the member of group 4A that best fits each description:(a) forms chains to the greatest…

A: A given element is said to be metallic in nature if it can lose electrons while it is non -metallic…

Q: Cite and explain three reasons why ferrous alloys are used so extensively.

A: Three reasons why ferrous alloys are used so extensively have to be explained below.

Q: Name the following compounds and assign oxidation states to the halogens in them HClO2

A: Oxidation states of halogens: HClO2,

Q: Predict the products of the following reactions. S. Aluminum in an aqueous solution of silver…

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Q: Sketch the structure of a 1:1 and 2:1 layer silicates.

A: Structure of 1:1 layer silicate (kaolinite) illustrating the connection between tetrahedral and…

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

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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: What is the VSEPR geometrical shape of the silicate ion, SiO32- ?

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

A: H5IO6 is called as periodic acid

Q: Describe how sodium dihydrogen phosphate can be used as a pH buffering agent.<

A: A buffer solution is one that can resists change in its pH on the addition of an acid or a base.  A…

Q: Give a few examples of non-stoichiometric metal hydrides

A: HYDRIDES may be defined as:- Hydrogen under certain conditions combines with almost all elements,…

Q: What is the importance and uses of pure cobalt(II) sulphate?

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Q: How are the silica tetrahedrons linked for CaSiO3 ? Which class of silicates does this compound…

A: The given compound CaSiO3 is example of pyroxene. The main formula unit in it is SiO32-. The ionic…

Q: How many Kilograms of Iron can be recovered from  1,400 kilograms of Iron ore  (  Fe2O3 )

A: By using Molar mass of Fe2O3 and Fe we can solve this problem. 979.2kg of iron can be recovered.

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

A: To find: The chemical formula of  xenon trioxide The oxidation state of Xenon in  xenon trioxide

Q: Name the following compounds and assign oxidation states to the halogens in them: XeF4.

A: XeF4 is called as Xenon tetrafluoride.

Q: -In the compound Ka[Fe(CN)6], the oxidation state of iron and its coordination number, respectively,…

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Q: Given the compound: [Co(en)2(OH)2]OH, what is the coordination number for Co? 3

A: We have to predict the coordinator number for the metal Co.

Q: Calculate the stoichiometric ratio of Fe3O4 in Fe2O3.

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

Q: Which alkali metal ion has maximum ionic mobility in aqueous solution?

A: The capability of ions to move upon the effect of electric field through a medium is termed as ionic…

Q: Write a chemical formula for each compound or ion,and indicate the oxidation state of the group 5A…

A: Solution: a)Phosphate ion: Chemical formula of phosphate ion is PO43-. Phosphorus (P) is the 5A…

Q: Name the following compounds and assign oxidation states to the halogens in them: (a) KClO3

A: The given compound is KClO3 To find: Name of the given compound Oxidation state of the halogen

Q: Sodium tetraborate decahydrate (Na2​B4​O7​⋅10H2​O ) What is the percentage of boron(B), Sodium(Na),…

A: Percentage composition of elements in compound  can be obtained by  Percent ratio of mass of…

Q: Why are the lanthanoid elements not found in nature in their elemental forms?

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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 oxidation number of nitrogen in hydrazine, N2H4?

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Q: What is the oxidation state of sulfur in SF2?

A:

Q: Why K2O is diamagnetic in nature?

A: K2O form superoxide ion O2- in which there is an unpaired electron present in anti-bonding orbital.

Q: How many grams of bromine are required to react completely with 22.1g of titanium?

A: Balanced chemical equation: Ti  +  2Br2  ------>  TiBr4 So, Number of moles of Br2 = 2 x number…

Q: How many grams of O₂ can be prepared from the thermal decomposition of 0.542 kg of HgO?

A: Given : mass of HgO = 0.542 kg  To calculate : mass of O2 produced (in g)

Q: Why are peroxides and super oxides stable in comparison to other oxides?

A: To find: The reason for the higher stability of peroxides and super oxides in comparison to other…

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.