In large atoms, the lanthanide contraction is characterized by stabilization of the s and p orbitals and expansion of the d and f orbitals. True O False

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: 17. Which of the following pairs of oxides will react with both dilute acid and alkali to form…

A: This is an acid base reaction

Q: Describe the equilibrium processes involved in the solvent extraction of metal chelates.

A: Answer - Equilibrium process - Chemical equilibrium, condition in the course of a reversible…

Q: Lanthanide contraction caused the similarities of the radius of the 4d and 5d metals and is…

A: Answer: Shielding of valence electrons from the Nucleus by the electrons present in the inner energy…

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

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

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

A: Oxidation states of halogens: HClO2,

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

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

Q: n which of the following lanthanides oxidation state +2 is most stable? O Ce O Eu O Tb O Dy

A: The element and electronic configuration are shown below :

Q: What are the physical properties of tris (butadiene) molybdenum?

A: Answer: The physical properties of tris (butadiene) molybdenum is as follows.

Q: Co, Fe, and Ni are ferromagnetic. What is the difference between ferromagnetic and paramagnetic?

A: Given,Co, Fe, and Ni are ferromagnetic

Q: Define d ―p bonding. ii. Why C≡N¯ can accept the electron from the d orbital in metal central?

A: i) dπ - pπ bonding = It is a special kind of bonding in which, electrons are donated from filled p…

Q: Which of the following N-containing compounds does N have the highest oxidation state, and why? A.…

A: The Oxidation states for the given compounds can be calculated as: A. Fe(NO3)3…

Q: The lanthanide contraction explains which of the following periodic trends? The atomic ratio of…

A: In rare earth elements, the size of atoms and ions gradually decreases with increasing atomic number…

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

A: XeF4 is called as Xenon tetrafluoride.

Q: How is Vanadium a Problem and an opportunity?

A: Interpretation: How vanadium is a problem and an opportunity is to be determined.

Q: Using data from Appendix E, calculate the equilibrium constant for the disproportionation of the…

A: Cu+(aq) -----------------> Cu2+ (aq) + e-            E0 = -0.15v Cu+ (aq)+ e- --------------->…

Q: Assuming the 18-electron rule, identify the metal M in [M(CO),(PPh,)]. * PPH3 M..CO čo O Cr O Mn O…

A: Since there are two question, so I am solving question number 2 if you want to solve question number…

Q: Metal oxides tend to be basic and react with acids True or False?

A: Given statement,           Metal oxides tend to be basic and react with acids

Q: What is the antifluorite structure?

A: In antifluorite structure, the position of the cations and anions are reversed to that of the…

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: What is the oxidation state of tungsten in WO2?

A:

Q: (üi) 1) H2SO4, 140 °C →? Br 2) NaOH MgBr (iüi) cat. Ni/ligands →?

A:

Q: What is the oxidation state of molybdenum in [n³-C6H6)Mo(CO)3]Cl? (atomic number of Mo is 42) a. +4…

A:

Q: Does roasting increase or decrease the mass of sulfides?

A: During the roasting of sulfide ores , sulfides are converted into oxides and sulfur is converted…

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: What is the role of NaOH in the metallurgy of aluminium?

A: Given: The extraction of aluminium is done from its ore called bauxite, Al2O3.2H2O. There are…

Q: what is lanthanide contraction?

A: The elements having atomic number 57 that corresponds to lanthanum to atomic number 71 that…

Q: What is Lanthanoid contraction? What are its two consequences?

A: Lanthanoid contraction: A regular decrease in the size of Lanthanide ion due to increases in nuclear…

Q: Relative to the octahedral crystal field, in the square planar crystal field the d-orbitals xy, yz,…

A: Crystal field splitting is done where the orbitals are unstable. To make them stable splitting…

Q: Classify the metal centers in the following compounds in terms of their acidity, from hardest to…

A: Acids are defined as the species which can accept lone pairs from an electron rich species. The…

Q: What is the function of SiO2 in the metallurgy of copper?

A: Metallurgy is a process in which metals are separated from its ore.

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

A: