Explain why hydrogen sulfide is a gas at room temperature, whereas water, which has a lower molecular mass, is a liquid.

Q: Explain why nitrogen can form compounds with many different oxidation numbers.

A: The electron configuration of nitrogen (N) is [He]2s22p3. Nitrogen has half-filled p orbitals…

Q: 1. Write the balanced equation of the reaction between Al and oxygen in the presence of heat.  2.…

A: Balanced chemical equation occurs when the number of the different atoms of elements in the…

Q: Write a general equation for the reaction of an alkali metal witheach substance.a. a halogen b.…

A: a. Alkali metal with halogen Alkali metal + Halogen ----------> Salt(Alkali halide)  Here, Alkali…

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: Why does phosphorous acid form only two series of salts, even though the molecule contains three…

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Q: Write a balanced equation to show the reaction between magnesium metal and aluminum chloride. What…

A: Write the balanced equation to show the reaction between magnesium metal and aluminum chloride. What…

Q: What are the sources of mercury?

A: ANSWER IS DISCUSSED BELOW :

Q: Write the equation for the reaction of:(a) Iron with steam(b) Calcium with water(c) Potassium with…

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Q: Give some examples of Metallic hydrides?

A: The examples of metallic hydrides has to be given.

Q: Oxygen forms double bonds in O2, but sulfur forms single bonds in S8. Why?

A:

Q: Why does silicon form only single bonds with oxygen but carbon, which is in the same family as…

A: Carbon atom is smaller than the silicon atom. Both carbon and silicon comes under the same group but…

Q: Why does aluminum, which has less mass than magnesium, produce approximately the same amount of…

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Q: Write a balanced equation for each of the following: (a) A characteristic reaction of Group 1A(1)…

A: A balanced chemical equation contains equal number of atoms of each elements on both the sides of…

Q: How are ionic hydrides formed?

A: Ionic hydrides are compounds that form between hydrogen and highly active metals, mainly with the…

Q: draw the structures of nitrous oxide and nitric oxide.

A: The structure of nitrous oxide is drawn as,

Q: Write the reaction equation for the reaction of carbon with copper(II) oxide.

A: The reactions between carbon and copper(II) oxide, as it reduces the metal oxides to the metals and…

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 two balanced chemical equations in which sulfuric acid acts as an oxidizing agent.

A:

Q: How many grams of aluminum hydroxide are obtained from 13.7g of aluminum sulfide?

A: Given:Mass of Aluminium sulphide = 13.7 gMolar mass of Al2S3 which is 150.16g/mol.Balanced chemical…

Q: What is the hydrogen deficiency of CH,0? O 1 O 2 O 3 O 4

A: Hydrogen deficiency (HD) :-  It is the index which shows how many hydrogen molecules should be added…

Q: Why does boron form electron-deficient bonds? Provide an example.

A: Electron deficient compounds are the compounds that have vacant p-orbital to accept the lone pairs…

Q: Why does carbon dioxidedisplace oxygen?

A: The given question is based on concept of density. The definition of denser is something that is…

Q: what is the chemical formula created when aluminum (13) bonds with the polyatomic ion hypochlorite?

A: Aluminium has an atomic number 13 which reacts with polyatomic ion such as hypochlorite ion ClO- to…

Q: Why does silicon form only single bonds with oxygen but carbon, which is in the same family as…

A: The element which is more likely to be able to form double bond with oxygen is carbon. Because the…

Q: Write equations for the formation of these compounds -) from the elements: a. Strontium Hydride b.…

A: While writing the formation equation from the respective elements, we write the elements in their…

Q: Why Sodium hydroxide and hydrogen peroxide are added to the solution of group 3 ions?

A: Group III cations consists of Al3+, Fe3+, Cr3+ and Ni2+ Out of these Cr3+ and Al3+ are soluble while…

Q: what is the chemical formula created when thallium (81) bonds with the polyatomic ion silicate?

A: We know that silicate is  SiO4-4 and thallium is Tl+3 In formation of compound charge is it transfer…

Q: What is the chemical equation for the reaction of hydrogen peroxide and KMnO4?

A: The chemical equation for the reaction of hydrogen peroxide and KMnO4 has to be given,

Q: How do atomic properties account for the enormous number of carbon compounds? Why don’t other Group…

A: The property of forming enormous carbon compounds is known as catenation. Catenation is the process…

Q: Whare are the aluminum oxide and magnesium oxide used?

A: The major uses of specialty aluminium oxides are in refractories, ceramics, polishing and abrasive…

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

A: The element Boron belongs to the p-block where the last electron must enter into the p-subshell. The…

Q: Explain why, at room temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine…

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: Sodium chloride and strontium chloride are both white solids. How could you distinguish one from the…

A: Na and Sr belong to Group IA and IIA in the periodic table respectively. They have a valence…

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: >Describe how red and black phosphorus are made from white phosphorus.

A: Preparation of red phosphorous is as follows,Generally, white phosphorus is unstable hence it…

Q: (a) Which poisonous gas is evolved when white phosphorus is heated with Cone. NaOH solution? Write…

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Q: What is the name of the chemical process in which chlorine is added to sodium to create salt?

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Q: Give an example of oxygen use in industry and medicine.

A: Oxygen is the most versatile element early in 1800 it was only a source for respiration in living…

Q: What types of oxides are formed when non-metals combine with oxygen?

A: Non-metals, such as carbon, nitrogen, sulfur, etc, when reacts with oxygen from their oxide, such as…

Q: Out of white phosphorus and red phosphorus, which one is more reactive and why?

A: Allotropes are usually different structural modification of an element. White phosphorus and red…

Q: The halogens form oxoacids with different amounts of oxygen. Explain why HClO4  is a stronger acid…

A: The structures of HClO4 and HClO2 can be shown below,

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…