Describe the preparation of potassium permanganate. How does the acidified permanganate solution react with oxalic acid? Write the ionic equations for the reactions.

Q: Why do Selenium and tellurium occur in rare minerals?

A: The reason why Selenium and tellurium occur in rare minerals has to be given,

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: Mention who discovered Boron and how, as well as the general properties of the Boron family group.

A: Boron was discovered by Joseph-Louis Gay-Lussac and Louis-Jaques Thénard, French chemists, and…

Q: What are Ionic hydrides?

A: Ionic hydrides have to be given below.

Q: Give some examples of Metallic hydrides?

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

Q: What are the oxidation numbers of the elements in the nitrite ion?

A: The formula for nitrite ion is NO2-.

Q: How are Metallic hydrides formed?

A: ANSWERE IS DISCUSSED BELOW ;

Q: Name the following compounds and assign oxidation states to the halogens in them: Ca1IO322

A: Ca(IO3)2 is called as calcium iodate

Q: Write and balance the equation for the combination of ammonia gas with solid copper(II) oxide to…

A: Balanced chemical reaction: A chemical reaction is always balanced in terms of charge and element.…

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

A: Oxidation states of halogens: HClO2,

Q: What is the oxidation number of the bromine atom in sodium bromate? O +1 O -1 O +3 O +5

A: Oxidation number of an elementis generslly known as total numberof electrons either lost or gainby…

Q: С. Describe and explain two important properties of sodium in liquid ammonia.

A: Liquid ammonia is a polar solvent which gets self ionized and forms ammonium cation and amide anion.

Q: Write the equations for the reaction of Group II cations with H2S and give the color of each…

A:

Q: Describe the Haber process?

A: To describe the Haber process.

Q: group 1 elements with that of group 2 on the basis of the following:…

A: Basicity of group 1and group 2 elements are discussed below.

Q: Write a balanced equation for the formation of rubidium bromide through a reaction of a strong acid…

A: Acid-base reactions Acid-base reactions are the chemical reaction in which an exchange of a single…

Q: Magnesium carbonate is soluble in water (100 mg / L) whereas strontium carbonate is only slightly…

A:

Q: Describe the lanthanide contraction using basic atomic structure theory  (b) What are its effects on…

A: Lanthanide  contraction  occurs due to poor shielding  effect of 4f orbitals.

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: Why is beryllium carbonate unusually unstable thermally as compared to the other carbonates of this…

A: Beryllium belongs to group 2 in the periodic table. The carbonates of this group are - BeCO3, MgCO3,…

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

A:

Q: What is the oxidation number of nitrogen in NH3 ?

A: Given : formula of compound

Q: Which halogen has the greatest ionization energy? Is that what you would predict based on what you…

A: The minimum amount of energy that is required to remove the electron from an outer valence shell of…

Q: define catenation?

A: Catenation is defined as the self linkage property of any atom. It means atoms have tendency to…

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: What mass of CO2 produces from the decomposition of 25.5 grams of NaHCO3?

A: In all "chemical reactions," each engaged species tends to possess certain numerals called as…

Q: Basic physical properties of sulphate group minerals and economical use of these properties. Write…

A: Sulphate group minerals have sulphate ion (SO42-) in their structures. It occurs as gangue minerals…

Q: Describe the Disproportionation of chlorine with cold and hot alkali.

A: In alkaline medium ,Halogens involve in Disproportionation reaction (except F) In this type of…

Q: Formula of Group IIl sulfides and the color of each

A: To identify: The sulfides of group III sulfides and their colours.

Q: Treatment of cobalt(II) oxide with oxygen at high temperatures gives Co3O4. Write a balanced…

A: Given that the reaction of cobalt(II) oxide with oxygen gives Co3O4. To find: Balanced chemical…

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: 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 an equation for the reduction of cesium chloride by elemental calcium at high temperature.

A: Given reaction, Reduction of cesium chloride by elemental calcium at high temperature.

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: Describe potassium cyanide and its uses.

A: It's molecular formula is KCN.  The common name of KCN is potassium salt of hydrocynic acid.

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

A: To determine chemical formula of compounds and indicate oxidation state of halogen: a). chlorate…

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

A:

Q: Compare and contrast the chemistry of group 1 elements with that of group 2 on the basis of the…

A:

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…