Bismuth(V) compounds are such powerful oxidizing agents that they have not been prepared in pure form. How is this fact consistent with the location of Bi in the periodic table?

Q: Lithium salts are often much less soluble in water than the corresponding salts of other alkali…

A: When the amount of substance dissolved in a solution is maximum which is suppose x then that amount…

Q: (a) What is the range of oxidation states shown by the ele-ments of Group 5A(15) as you move down…

A: (a)

Q: What are the oxidation states of manganese in the following series of oxides? MnO, MnO2, Mn2O3,…

A:

Q: VF5 is a liquid that boils at 48°C, whereas VF3 is a solid that melts above 800°C. Explain this…

A: The reason why VF5 is a liquid that boils at 48°C, whereas VF3 is a solid that melts above 800°C has…

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

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Q: An element forms an oxide, E2O3, and a fluoride, EF3.(a) Of which two groups might E be a member?(b)…

A: a) The oxidation state of E is +3 as it forms E2O3 and EF3 thus E belongs to 3A or 3B group.

Q: Which of the following statements is true about hydride ions or compounds?   Among second-row…

A: Answer

Q: (a) What is the range of oxidation states shown by the elements of Group 5A(15) as you move down…

A:

Q: Qu) Are The elements sodium, aluminum, and chlorine are in the same period? And give the right…

A: The given elements sodium, aluminum and chlorine lie in the third period of periodic table. Their…

Q: How the ns2np5 configuration accounts for halogen reactivity with metals

A: The reactivity of halogens with metal has to be explained.

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

A: Alkali metals exits as hydrated ions in aqueous solution.As the size of the metal ions increases,…

Q: sketch a diagram showing the formation of energy levels from the valence orbitals for Li, Li2, Li3,…

A: Diagram showing the formation of energy levels from the valence orbitals for Li, Li2, Li3, Li(n). On…

Q: Would you expect rubidium metal to be more or less reactive with waterthan potassium metal?

A:

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: Which of the following elements is most likely to form an oxide with the formula MO3: Zr, Nb, or Mo?

A:

Q: Strontium crystal has a mass density of 2.64 g/cm' and a molar mass of 87.62 g/mol Estimate the…

A: Answer is explained below.

Q: Which lanthanide has the maximum number of unpairedelectrons in both its atom and 3+ ion? Give the…

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Q: 8a) Sketch a diagram showing the formation of energy levels from the valence orbitals for Rb, Rb2,…

A: a). We are given a crystal of Rb The formation of energy levels from the valance orbitals for Rb,…

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

A: XeF4 is called as Xenon tetrafluoride.

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

A: Chemical formula represents the chemical proportions of atoms in a molecule. Group 6A of the…

Q: Use condensed electron configurations to predict the relative hardnesses and melting points of…

A: Condensed electronic configuration is written for elements of higher atomic number. It is written in…

Q: Write the formulas of the products to show why Fe3+ or Fe(H2O)63+ is acidic in water

A: An acid is a substance which can release H+ /  H3O+ ions in water.

Q: Explain the observation for the increasing stability of the n+2 oxidation state in the heavy main…

A: Answer - A heavy element is an element with an atomic number greater than 92. The first heavy…

Q: How do the acidities of the aqueous solutions of the alkaline earth metal ions (M 2+ ) change in…

A: An atom is composed of three main sub-atomic particles; electrons, neutrons, and protons. The atomic…

Q: In chemistry, what does it mean when the ratio of the overall Fe in Fe2O3 and Fe3O4 is unity?

A: we are required to find % of Fe in both iron oxide and then compare the % of Fe

Q: Name two metals which occur in nature as oxides.

A: Metals are the elements which lose electrons to acquire a stable electronic configuration. When loss…

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: . What experimental evidence would allow you to determine whether TiCl4 is an ionic compound or a…

A: Oxidation state of Ti in TiCl4 is as follows: x+(-1×4)=0x=+4

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: Some of the water on Earth was formed by reactions of iron and silicon oxides and methane. Write the…

A: To write the balanced  equation for the reaction of ferric oxide and methane

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

A: The chemical formula of Hydrogen telluride is :  H2Te

Q: (b) Is boron a metal or a non-metal? Give reasons for your answer. (c) Why is aluminium a useful…

A: Element can be classified as metal and non metal

Q: In the alkali metal group, the Cesium is less reactive than lithium.

A: To find: Whether the given statement is true or false.

Q: In large atoms, the lanthanide contraction is characterized by stabilization of the s and p orbitals…

A: Large atoms like Tl, Pb, Bi, Hf, Ta etc. Lanthanide contraction is observed.  These contains filled…

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: Name the following compounds and assign oxidation states to the halogens in them XeF6

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Q: Many lithium salts are hygroscopic (absorb water), whereas the corresponding salts of the other…

A: