Mn with +2 oxidation state is a good oxidizing agent; Mn with +7 is a good reducing agent.

Q: What is the oxidation number of Cl in the hypochlorite ion?

A:

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: out of Sc^3+ ,  Ti^3+ , Mn^2+ , Fe^2+ which one is colourless in aqueous solution ?

A: The electronic configurations of the given ions are

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: Which of the following species contains manganese with the highest oxidation number? A) Mn B) MNF2…

A: Oxidation of Mn in elemental state is 0

Q: snip

A: The final step in the smelting of FeCuS2 is  Cu2S(s)  + 2Cu2O(s) --> 6Cu(l) + SO2(g) (a) For…

Q: Determine the highest possible oxidation state for element. V

A: The term oxidation state is also referred to as oxidation number. It describes the degree of…

Q: Write a balanced equation for the reaction between dichromate ion and iron(II) to yield iron(III)…

A:

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

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

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 coordination number and the geometry(s) around the metals? [Co(en)2(H2O)(CI)]s[Ni(CN)4]2…

A: Given complex is :  [Co(en)2(H2O)(Cl)]3[Ni(CN)4]2  What is the coordination number of Co = ?…

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: Give reasons :(i) Zn is not regarded as a transition element.(ii) Cr2+ is a strong reducing agent.

A: (i) Zn belongs too d block but not considered as transition elements because it contains completely…

Q: The most important oxides of iron are magnetite, Fe3O4, and hematite, Fe2O3. What are the oxidation…

A: metals are found in nature as their ores.Fe has two ores magnetite and hematite.oxidation state is…

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: Use the electron configuration of Fe to explain the oxidation states of +2 and +3. Which oxidation…

A:

Q: Give the oxidation state of the metal, number of d electrons, and the number of unpaired electrons…

A: Oxidation state of metal: x + 0 -3 = 3 x = 3 oxidation state of cobalt is +3. Electronic…

Q: Why do transition elements show variable oxidation states? How is the variability in oxidation…

A: The transition elements have the incompletely filled d-orbitals and furnish the cation by the…

Q: 23. Table 4 shows various oxidation states and colours of vanadium ions and complexes. * Table 4 Ion…

A: The oxidation state of vanadium is calculated based on the following rules: I) elements are in zero…

Q: What is the assigned oxidation number for molybdenum in aluminum molybdate Al2(MoO4)3

A: We have to tell oxidation number for molybdenum in aluminum molybdate

Q: ) Determine the oxidation state of the metal ion in [Fe(CN)6]^4− B) Determine the oxidation state…

A: Oxidation state of the metal ion in [Fe(CN)6]4- Oxidation state of the metal ion in [Co(ox)3]4-

Q: What are the oxidation numbers of the Group I, Group II, and Group III metal cations?

A: We have to tell the oxidation states of group I, group II and group III metal cations.

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: For health reasons the concentration of dissolved copper ions in drinking water should be less than…

A: The standard potentials are all measured at 298K, 1 atm and with 1 M solution. The standard…

Q: <p>Explain why transition metals exhibit multiple oxidation states instead of a single…

A: Unlike main-group metals that tend to exhibit only one oxidation state, the transition metals often…

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: a) b) c) Calculate the M oxidation states: Draw the structures: What are the colours and why?…

A:

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

A:

Q: Arrange the following metals in increasing order of expectedmelting point: Mo, Zr, Y, Nb. Explain…

A:

Q: What is the oxidation number of the central ion in the coordination compound K4[Fe(CN)6] ? O a. 0 O…

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: The oxidation number of Fe in Fe2Os is

A: The number given to the element during chemical combination is termed as oxidation number.  The…

Q: 8. What is the oxidation state of the vanadium atom in V02+ (aq)? (a) -2 (b) 0 (c) +2 (d) +4

A: Oxidation is the process that involved the loss of electrons and oxidized to cation whereas…

Q: Write a balanced equation for the expected reaction betweenpotassium metal and elemental sulfur,…

A: A balanced chemical equation is the equation in which equal number of atoms are present on both the…

Q: Indicate the coordination number and the oxidation number of the metal for NH4[Cr(NH3)2(NCS)4]

A:

Q: 23. Table 4 shows various oxidation states and colours of vanadium ions and complexes. Table 4 lon…

A: Oxidation state of an atom is the charge occupied by the atom after gaining or losing electrons…

Q: What is the oxidation number of Cl in POCl3?

A: Answer

Q: What are the oxidation numbers of Fe2O3

A: Basic Oxidation number of oxide O2- is -2 There are three Oxygen atom, so 3×(-2)= -6 Let us consider…

Q: Although thermodynamically feasible, in practice, magnesium metal is not used for reduction of…

A: The objective of the question is to explain the reason that although thermodynamically feasible in…

Q: What is the most stable oxidation state of chromium in acid and base?

A: In acid chromium in +6 oxidation states more stable (CrO4 -2)

Q: Determine the oxidation state of the coordinated metal atom in each of the following compounds:(a)…

A: (a) K[Co(NH3)2(CN)4] Let oxidation state of metal is y. +1 + y + ( 0 x 2) + (-1 x 4) = 0 y = +3…