What is Lanthanoid contraction? What are its two consequences?

Q: give the cause of lanthanide contraction.

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: What is the role of deuterium?

A: The role of deuterium has to be given.

Q: Explain how EDTA interacts with a metal? Why do we use it as a titrating agent? Why is EDTA a common…

A: Answer- EDTA is a versatile chelating agent. It can form four or six bond with metal ion and it form…

Q: Explain reaction chemistry of CO with transition metals based on its Molecular orbital diagram?

A: Solution: Simply for any ligand to bind with transition metal required lone pair.  Let us know the…

Q: what are the consequences of lanthanide contraction?

A: Generally, as we move down the periodic table, there is an increase in atomic radii. But in the…

Q: Draw the structure of EDTA. What are the different tetrabasic forms of EDTA? Describe their…

A: EDTA is know as       ethylenediaminetetraacete ion. EDTA is hexadenate ligand because it have six…

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: Is the interaction between an ammonia ligand and a metal cation a Lewis acid-base interaction?

A: The interaction between ammonia ligand and a metal cation is a Lewis acid-base interaction.

Q: What are the consequences of Lanthanoid Contraction?

A: The consequences of Lanthanoid Contraction has to be given.

Q: During the refining of iron, carbon must be present in the blast furnace. Why is carbon necessary to…

A:

Q: What happens when transition metals are oxidized?

A: What happens when transition metals are oxidized?

Q: what are some of the ways to identify a cyanide hazard in a gold mining and ore processing site and…

A: According to the ICMC, the amount of cyanide used in commercial gold operations is typically in the…

Q: The burning of iron pyrites (Fes.) in air may be e> FeS2 + 02 -> Fe203 + SO2

A: The given unbalanced reaction is: FeS2+O2→Fe2O3+SO2 The completely balanced form of the above…

Q: Draw the structure of EDTA and write the reactions in the ionization steps.

A: This question have to subparts, in first part draw the structure of EDTA and in second part we write…

Q: Which of the actinides are radioactive?

A: In a periodic table, element having atomic number from 89 to 103 are termed as actinides. Therefore,…

Q: A pyrite rock is mainly composed of FeS2 and inert. If a pyrite rock contains 48% Sulfur, what is…

A: the pyrite rock has 48% suphur, and rest iron and inert FeS2. inert therefore,  iron and inert…

Q: What is the pH of a 0.237 solution of sodium hypobromite (NaOBr)? The Ka of hypobromous acid is 2.24…

A: Ka for HBrO , Ka = 2.24 × 10-9  Kb = 10-14 / 2.24 × 10-9 = 4.46 × 10-6  NaOBr ---> Na+ + OBr-

Q: A synchrotron is an extremely powerful source of X-rays. The X-rays also can be geerated by…

A: Synchroton is powerful Source for generating xray.Xray are produced by high energy electron.

Q: What is the purification methods that are used for Cobalt (II) sulphate and explain them

A: If purifying by electrolysis, an aqueous sulfate solution at 50 to 70°C is usually used with a lead…

Q: what is common oxidation state of lanthanides? and why ?

A: The general electronic configuration of lanthanides is [Xe]4fn5d0-16s2.Lanthanides have incomplete…

Q: Why is it important to exclude water when preparing  Bis(Pyridine) Iodine (I) Nitrate complex.

A:

Q: Explain the group point, color and magnetic properties before and after oxygen binding.

A: The porphyrin ring with Fe2+ at the center has a darker red colour colour , when O2 is not bounded…

Q: Why does not silver evolve hydrogen on reacting with dil H2SO4

A: Silver is less reactive than hydrogen and so placed below hydrogen in the reactivity series. Metals…

Q: What is the antifluorite structure?

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

Q: what are interhalogen compounds ?

A: Interhalogen compounds are the compounds that contain an atom from halogen family only. It is…

Q: Why, do you think, the sulfur extracted during the Frasch process is 99.5% - 99.9% pure? Why can’t…

A: Frasch process is based on the principle that sulfur has a low melting point. Sulfur is pushed out…

Q: From element to element actinoid contraction is greater than the lanthanoid contraction. Explain…

A: Kindly get the answer given below.

Q: What is meant by the term ‘pyrometallurgy’?

A: A process that is used for the extraction of metals in their pure form is known as metallurgy.…

Q: Which of the following describes the reaction: 218 Po →°,e+ 218 At 84 ³Po→,e+ 85

A: In above reaction atomic number on product side increase by one while mass number remains unchanged.…

Q: Describe how magnetism in lanthanides series arises

A: Instead making this explanation complex let me explain you in very simple language. As we know that…

Q: Calculate Eº for the process PbI6) + e- → (s) + e > Pbs) + 21,

A: Given reaction is :  PbI2 + e- <---------> Pb (s) + 2I2  Find standard cell potential = E0 = ?…

Q: what is lanthanide contraction?

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

Q: Under what conditions is the FeO42- ion thermodynamically stable in aqueous solution?

A:

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: Define the following terms:(i) Roasting (ii) Calcination

A: Ores present in nature in rocks formed and it contains valuable metal. Like ore of Zn is ZnS. The…

Q: Nitrogen is found in nature as N21g2. Would you expect phosphorus to be found in nature as P21g2?…

A: In chemistry, we come up with the molecular form of the atoms. For example as nitrogen exits as N2,…

Q: Complete and balance the following equations: N2O31g2 + H2O1l2 ¡

A: In chemistry, a chemical reaction contains two major parts- Reactants ( substrate ) and Products.…

Q: Describe the periodic trends in radii and oxidation states of the transition-metal ions, including…

A: Lanthanide contraction occurs due to an increase in the effective nuclear charge with an increasing…

Q: Write the name, stereochemistry and magnetic behaviour of the following: (At. nos Mn = 25, Co = 27,…

A: The given complexes are K4[Mn(CN)6] [CO(NH3)5Cl]Cl2 K2 [Ni (CN)4] To find: The name, stereochemistry…

Q: (a) What are the different oxidation states exhibited by the lanthanoids? (b) Write two…

A: (a) What are the different oxidation states exhibited by the lanthanoids? In the lanthanide series,…

Group 13 Elements

In the periodic table, group 13 elements exist in the first p-block. There are six elements present in group 13, which include boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and element 113 (ununtrium, (Uut)). Group 13 elements are also designated as the boron family.