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

Q: Copper (I) compounds undergo disproportionation. Write the chemical equation for the reaction…

A: A disproportionation reaction is defined as the reaction in which a single chemical species undergo…

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

A:

Q: what is an element that exhibits oxidation states of  -1, +5 and +7.

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

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

A: Given element: Pd The atomic number or number of electrons of Pd is 46.

Q: one of the following is true about the sodium metabisulfite a. oxidized to sulfonic acid b. it is…

A: Given: Sodium metabisulfite (Na2S2O5)

Q: What is the oxidation state of H in lithium hydride (LiH)

A: Interpretation-  To tell about the oxidation state of H in the lithium hydride (LiH ) .…

Q: What is the oxidation state of each element in K,Cr,0,? Cr к What is the oxidation state of each…

A: (a) Oxidation state of each elements in K2Cr2O7 Oxidation state of K = +1 Oxidation state of Cr = +6…

Q: which metal hallide is more stable?

A: The colorless halide solids with high melting points and boiling points are alkali metal halides.…

Q: What is the oxidation number of the Chromium atom in K2Cr2O7?

A: Oxidation number is the number of electrons gained or lost by an element.

Q: Why does Copper oxide turns red when reduced? What material is responsible for this?

A: In any chemical reaction, if number of electron is increasing of individual atom or molecule then…

Q: A process employed for the concentration of sulphide ore is:(a) Froth floatation(b) Roasting(c)…

A:

Q: Cr in which oxidation state is most stable?

A: Chromium has electronic configuration of [At] 3d5 4s1. When chromium reacts with another elements,it…

Q: (a) What is the most stable oxidation state of nickel in acidic solution? (b) Show a balanced…

A: The frost diagrams show the stability of the oxidation of state of an element relative to other…

Q: What is the oxidation state of each element in Mn(Cro, ),? Cr Mn

A:

Q: 4. What is the oxidation state of oxygen in nitric acid?

A: The chemical formula of nitric acid is HNO3.

Q: In which compound does bromine have the highest oxidation number?

A: K (potassium) is a group 1 element having valency equals to 1.  O (oxygen) is a group 16 element…

Q: one of the following is true about the sodium metabisulfite O a. oxidized to sulfonic acid O b.…

A: The compound given is Na2S2O5 i.e. sodium metabisulfite.

Q: hat is the redox level of the starred carbon?

A:

Q: Fluorine does not exhibit any positive oxidation state. Why?

A: A number of electrons gained or lost by an atom for the formation of chemical bond represented by…

Q: What is the oxidation state of Z in HZO3?

A: The compound given is HZO3.

Q: Determine the oxidation number of As in NaAsO3:

A:

Q: Does the roman numeral refers to the oxidation state of an element?

A: The oxidation state of the metal refers to the number of bonds formed by that element.

Q: Specify the oxidation state of the metal ions in the product

A:

Q: does transition elements are able to show variable oxidation states. if yes, why ?

A: The d block elements or elements which have is (n-1) d1–10 ns 1–2 electronic configuration is known…

Q: Discuss the following with respect to lanthanides: (a) Electronic configurations  (b) Oxidation…

A: (a) Electronic configuration  Lanthanide shows the given general electronic configuration as:-…

Q: What is the oxidation number of the chromium atom in K7Cr2O7?

A: Given-> I think there is  K2Cr2O7

Q: What is the oxidation number of the chromium atom in K2Cro4?

A:

Q: Q 7: Calculate the oxidation number of chromium in CrO,².

A:

Q: Determine the highest possible oxidation state for element Re

A: Oxidation state: Oxidation states are a combination of numbers, positive, and negative signs that…

Q: Give the symbol of the element that when it has an oxidation state of +4 has an electron…

A: Electron configuration is the distribution of the electrons in orbitals of the atom. The given…

Q: 14 > What is the oxidation state of each element in K, Cr, 0,? K Cr What is the oxidation state of…

A: Compound = K2Cr2O7  This is known as potassium dichromate. Electronic configuration of O = 1s22s22p4…

Q: what is the reaction order of peroxydisulfate and iodide ion redox reaction and why?

A: Reaction order of peroxydisulfate and iodide ion redox reaction is First order. Reaction is as…

Q: What is the oxidation number of As in: AsO43- AsO33-

A: Calculation of the oxidation number of As in AsO43- ------ Suppose the oxidation number of As = y We…

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: Why some of the heavier p block elements shows two oxidation states?

A: A species gains or loses electrons to form anions or cations respectively. A gain in electron is…

Q: what is the oxidation number for, please explain a.  C4H8O4 b.  Fe3O4 c.  VO2+ d.  SnBr4 e.  PH4+ f.…

A: The oxidation number for highlighted atoms are calculated as follows, The general rules are,…

Q: How do you determine the oxidation numbers for the following: a) N2H4 b) Cr2O7-2 c) NH4Cl…

A: You must know the oxidation state of the other elements other than main element for which we are…

Q: What is the charge (oxidation state) of the cation in calcium peroxide?

A: The formula for the calcium peroxide is given below,CaO2

Q: Write defect reactions for FeO and NiO. What oxide would form from each of the defect reactions?

A: Solid defects are of three types: 1. Stoichiometric defects 2. Non-stoichiometric defects 3.…

Q: How is elemental silicon obtained by aluminothermy method? Explain with the reaction equation.

A: Aluminothermy method or Aluminothermic reactions are those chemical reactions in which aluminium is…

Q: ne change in oxidation state for each element, and whether this corresponds to an increase or…

A: Loss of electrons is oxidation while gain of electrons is reduction.  Ba = 0 Al3+  = +3 Ba2+ = +2 Al…

Q: oxidation number of ruthenium in Li2RuO4

A: Oxidation number: The covalent bond between the atoms of different electronegativity is polar. If we…

Q: Although Be has less negative value of reduction potential compared to group 1 and the rest of group…

A: Given information,    Although Be has less negative value of reduction potential compared to group…

Q: Which of the first transition series elements exhibits the greatest number of different oxidation…

A: First transition series elements are as follows. Scandium    =[Ar] 3d14s2Titanium       =[Ar]…

Q: Use atomic properties to explain the reduction of a less ac-tive metal by a more active one: (a) in…

A: (a)