What are the physical properties (including formula weight, melting point and water solubility) and hazards associated with alum, KAl(SO4)2•12H2O

Q: Compounds such as NaBH4, Al(BH4)3, and LiAlH4 are complex hydrides used as reducing agents in many…

A: (a) The oxidation state of each element in NaBH4 Al(BH4)3 , LiAlH4 has to be given.   NaBH4 Let x be…

Q: What are amphoteric oxides? Give examples?

A: Metal oxide that behaves as acid as well as base are called amphoteric oxide. Such metallic oxides…

Q: Write the formula of the acid formed when each of these acidic oxides reacts with water. 1. Cl,0, 2.…

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Q: Taking into account the Jahn-Teller effect, predict the structure of [Cr(OH2)6]^2+

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Q: How are Metallic hydrides formed?

A: ANSWERE IS DISCUSSED BELOW ;

Q: Which of these two oxides, SO3 and P4O10 , when reacts with water will produce stronger acid?

A: P4O10 and SO3 are acidic oxides and when they combine with water forms acids.

Q: How do atomic properties account for the low densities of the Group 1A(1) elements?

A: Alkali metals are the s-block elements belonging to the group IA(1) in the periodic table. The…

Q: What mass of gallium oxide Ga2O3 can be prepared from 29.0 g of gallium metal?

A: Molar mass of Ga = 69.7 g/mol

Q: 3. Write equations for the reactions of Strontium hydride and radium peroxide with water. а. b.

A: 3.  a) • We need to write the reaction of strontium hydride with water.    • Since, we know that,…

Q: How are ionic hydrides formed?

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

Q: Define the term Phosphorus Halides?

A: Phosphorous(P) means the element phosphorous(P) and halides means halogens [such as Fluorine(F),…

Q: Outline the separation of the following groups of ions, leaving out all unnecessary steps a. Ag*,…

A: a.  Ag+ , Hg+2 belongs to group - I , where as co+2 belongs to group - IIIB b. All are from group -…

Q: why fluorine is pale yellow in colour?

A: Fluorine is the smallest element in halogen group so the attractive force between the nucleus and…

Q: Describe the structure of the octahedron?a

A: Octahedron is one of the structures of chemical compounds. Furthermore, structure of chemical…

Q: U, NH, 14.) The shown reaction is an example of:

A: Li (or) Na metal in liquid ammonia is called birch reagent it is used for reduction. Alkynes upon…

Q: Identify the following hydrides as ionic, metallic, or molecular:(a) BaH2, (b) H2Te, (c) TiH1.7.

A: The hydrides are mainly generated by combining H-molecule with any metal. In hydrides, H-atom…

Q: Nearly every compound of silicon has the element in the +4 oxidation state. In contrast, most…

A: Elements of a particular group shows similarities in physical and chemical properties. But there…

Q: What is the oxidation number of S in the compound Na,S,O5?

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Q: Define the term, Boron?

A: Solution- Boron is a chemical compound which is found in nature. In the periodic table no of the…

Q: Give formulas corresponding to the following names:(a) Tetraamminezinc sulfate  (b)…

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Q: Outline the separation of the group of ions, leaving out all unnecessary steps Pb**, Cu, ca** +2 +2…

A: Given - Ions - Pb+2 , Cu+2 , Cd+2    These all are group II insoluble sulfide salt's ions , for…

Q: Write the chemical formula for tellurium hexaiodide

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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: Element Tm /K 371 923 933 Explain the following in terms of structure and bonding i) i) ii)…

A: Melting point of metals depend upon the strength of metallic Bond.

Q: What safety precautions should be taken with selenium? I am preparing to remove selium from water…

A: Selenium is an essential metal for human and other animals, but taking higher doses can be harmful.

Q: Which noble gas is the most abundant in the universe? In Earth’s atmosphere?

A: Noble gases are the elements of group 18 of the periodic table. Another name given to them is inert…

Q: Would you expect technetium(II) oxide, TcO, to react more readily with HBr(aq) or NaOH(aq)

A: technetium(II) oxide, TcO being a metal oxide is basic in nature. Therefore, it will react more…

Q: Write balanced equations for the following reactions:(a) potassium oxide with water, (b)…

A: Balanced chemical equation of a reaction is written according to law of conservation of mass.…

Q: Complete and balance the following equations:(a) An active metal reacting with acid,Al(s)+HCl(aq)→…

A: (a) Generally metals react with acids to form hydrogen and an ionic compound where the metal is the…

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: a) Write the chemical name and chemical formula of a compound formed between an atom of group 1 A,…

A: a) The chemical name of the atom compound formed of the atom of group 1A period 4 and sulphate ion…

Q: Identify the following hydrides as ionic, metallic, or molecular:(a) B2H6, (b) RbH, (c) Th4H1.5.

A: As we move down the group - metallic character increases. Hence, Th has greater metallic character…

Q: o a.2+ Са 2+ 2+ <K + < Mg <Ве • b+ 2+ 2+ 2+ K <Ca <Mg <Be 2+ 2+ C.2+ <K <Mg <Be + Be d. 2+ 2+ <K <Ca…

A: 2. Answer - The incorrect option is (d) Low melting and boiling point  Explanation - According to…

Q: boron hydrides were once evaluated for possible use as rocket fuels. Complete and balance the…

A: The combustion reaction given is  B2H6 (g) + O2 (g) ----&gt; B(OH)3 (l)

Q: How should the following properties generally change for the Be Ra series? density, atomic radii,…

A: Correct answer is : increase, increase, decrease, decrease. In the group of alkaline earth metals,…

Q: What could explain the simultaneous increases in the price of lithium and the production of lithuim.

A: Lithium is an alkali element belongs to s block of periodic table .

Q: AgBr + GAPO, →_Ag,PO, + GaBr, AIBr, + K,SO, → _ KBr + Al,(SO,),

A: The question is based on the concept of balancing the reaction    in first step of any calculations,…

Q: Give an example of ionisation isomerism.

A: Given: Explain ionisation isomerism with example.

Q: 3. Why might arsenic be able to substitute for phosphorus?

A: Arsenic is able to substitute phosphorus because both have  similar  chemical properties.

Q: How do Groups 1A(1) and 2A(2) compare with respect to reaction of the metals with water?

A: Group 1A is called alkaline metal while the 2A is called alkaline earth metals. Both react in a…

Q: What are Organo metallic compounds ?

A: Given question is : What are Organometallic compounds ?

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: In the compound K4[Fe(CN)6], the oxidation state of iron and its coordination number, respectively,…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Give the balanced chemical equations for the reactions of Group IV cations with (NH4)2HPO4.

A: Group IV cations are Ca2+ , Ba2+ and Sr2+ , these cations easily precipitated out by adding…

Q: Draw the geometrical structure of both cis- and trans-forms of K[Cr(C2O4)2(H2O)2].

A: Isomerism is  defined as one compound  have same  chemical formula   but different chemical…