Give the chemical formula for trans-dichlorobis(ethylenediamine)platinum(IV). Use (en) as the symbol for ethylenediamine.

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: 109 1,000,000,000 nano n Calculate the % (mass/mass) composition, ppm, and ppt of Si in an alloy of…

A:

Q: why Ti^3+ is purple while Ti^4+ is colorless ?

A: Atomic number of titanium (Ti) is 22. The electronic configuration of titanium (Ti) is 1s22s22p63…

Q: How would you account for the following? (i) Transition metals exhibit variable oxidation states.…

A: The elements present in the d-block of the periodic table are known as transition metals as they…

Q: Many transition metals and their compounds are used as catalysts. Given MnO2, FeCl3, Pt, and Ni,…

A: Catalyst are the compounds that lowers the activation energy of reaction to increase the rate of the…

Q: Transition metals have a tendency to form complex compounds, interstitial compounds and alloys.

A: ANSWER

Q: A post transition metal in group 16   on the periodic table

A: The elements which are present to the right of a transition metal and to the left of the metalloids…

Q: The lanthanide elements reacts with oxygen to give compounds of the type Ln2O3.However,the are…

A: Answer: a. Mass percentage of Tb is 73.945% Mass percentage of O =…

Q: Treatment of Cobalt (II) oxide with oxygen at high temperatures gives Co304. Write a balanced…

A: Write balanced reaction and determine the oxidation number of cobalt in Co3O4 ?

Q: The chemical formula for iron(III) tricyanidobis(ethylenediamine)nitrosylferrate(II) is O…

A: Given coordination complex is iron(III) tricyanidobis(ethylenediamine)nitrosylferrate(II)

Q: What is the oxidation number of titanium in TiO2?

A: Given :- chemical formula of compound = TiO2  To determine :- Oxidation number of Ti in TiO2

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

A:

Q: Calculate the composition, in weight percent, of an alloy that contains 105 kg of iron, 0.2 kg of…

A:

Q: If copper is able to displace magnesium, and magnesium is able to displace lead, what does this mean…

A: From the given data we can infer that , Copper is more reactive than magnesium , and Magnesium is…

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: Hydroxylamine (NH2OH) reduces copper(II) to the free metal in acid solutions. Write a balanced…

A: The chemical reaction in which number of atoms for each element in the reaction and the total charge…

Q: In aqueous solution, Co(H₂O) 6²+ is pink, CoCl4²- is blue, and CI- and H₂O are colorless. The…

A:

Q: elaborate the process of metallurgy

A: Metallurgy is the process of extraction of metals.

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: Which of these are diamagnetic? Cl Rb+ Ar Ag+ Sc+ Cr Fe

A: Of the given ions or atoms, the one which has no unpaired electrons is diamagnetic in nature.

Q: The final step in the smelting of FeCuS₂ is Cu₂S(s) +2Cu₂O(s) →6Cu(l) +SO₂(g)(a) Give the…

A: Redox reactions are the combination of reduction and oxidation reactions. The type of reaction in…

Q: Describe the chemical reactions of lanthanides in detail?

A: Lanthanides (Ln): The elements that exist at the bottom of the periodic table that is from atomic…

Q: 2. Which one of the following classifications is correct and most specific? Select one: O a. Sn, Pb,…

A: Since you have posted multiple questions, we will solve only first question for you. If you want the…

Q: MnO−4 reacts with Fe2+ in acid solution to produce Fe3+ and Mn2+.  Write a balanced equation for…

A: From the given information, the half reactions are, Oxidation half reaction is, Reduction half…

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: 1. What are the two major metal groups? Define them and name the main sub-categories of each group.

A: Two major groups of metals are 1). Ferrous 2). Non ferrous Ferrous

Q: Write the reactions involved in the following processes: (i) Leaching of bauxite ore to prepare pure…

A: Given processes, (i) Leaching of bauxite ore to prepare pure alumina. (ii) Refining of zirconium by…

Q: 1. Write a balanced equation for the reduction of Co;O3 by carbon monoxide. 2. Write a balanced…

A: The question is based on the concept of inorganic chemistry. we have to write the chemical equations…

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: Write balanced chemical equations for the following reactions: (a) cadmium burned in air…

A:

Q: Deduce which compound is a common ore of the element listed and explain briefly: (a) Fluorine: CaF2…

A: CaF2 is the fundamental part of Fluorite, a mineral found and abused for Fluorine creation.…

Q: Explain the physical properties, electron configurations, oxidation states, and magnetic properties…

A: 1. They are good conductor of heat and electricity. 2. Atomic radii of transition elements lie in…

Q: 20. What is the oxidation number of Cr in Cu,CrO,? А. +12 В. +3 С. +4 D. +5 E. +6

A:

Q: Why are the lanthanoid elements not found in nature in their elemental forms?

A:

Q: Write the chemical reactions involved in the extraction of silver from silver ore.

A: Silver is a noble metal. The most important ore of silver is argentite.

Q: (i) Indicate the principle behind the method used for the refining of zinc.(ii) What is the role of…

A: The process of extraction of metals ( in pure form) from minerals is termed metallurgy. Minerals may…

Q: what is lanthanide contraction?

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

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: Which is a zinc ore and is used in paints, sunscreen and coins? A. Anhydrite B. Bauxite C.…

A:

Q: The first ionization energies of iron, cobalt, nickel, and the first three platinum metals are all…

A: The ionization energy is the energy needed to remove an electron from the outermost shell of the…

Q: Simplified explanation of nitride and carbon in minerals, simplified explanation of the mechanism of…

A: Explanation- @ Nitride in minerals-       In chemistry, a nitride is a compound of nitrogen where…

Q: Hydroxylamine 1NH2OH2 reduces copper(II) to the free metal in acid solutions. Write a balanced…

A: Introduction: We have to balance the reaction between hydroxylamine and Cu2+.

Q: What is the common ore of tin and how is tin separated from it?

A: Tin is a malleable metal which isn't oxidized in air easily.