Define the term nonzero oxidation states?

Q: Use the rules for assigning oxidation number to determine the oxidation states of each atom in the…

A: Oxidation number of alkali metals is always +1 Oxidation number of oxygen is -2. Using these rules…

Q: Balance this redox reaction using change in oxidation number. H3PO2 + Cr2O7^2- + H+ —> H3PO4 + Cr3+…

A: …

Q: What colour would be observed when iron(1I1) chloride is added to the following equilibrium…

A:

Q: Determine if HNO3 can dissolve  metal sample. If it can, write a balanced chemical reaction showing…

A: Nitric acid is oxidizing agent which oxidize the metal and get reduced.

Q: Which of the following statements are true? A. O The oxidation number of an oxidizing agent…

A: The increase in oxidation state is termed as oxidation whereas the decrease in oxidation state is…

Q: Which substance is the strongest reducing agent? Which is weakest?

A: In redox reaction, one reactant is reduced and another reactant is oxidized.

Q: 1. Is rusting of iron a physical change or chemical change? Explain why? 2. What is the colour of…

A: Rusting : Rusting is a reaction in which iron reacts with water and oxygen to give hydrated iron…

Q: i) What is K for this redox reaction? ii) Is this reaction likely to occur? iii) Is the reaction…

A:

Q: Write the symbol for:  a) one metal in period 4 that can have multiple oxidation states:    b)…

A: The transition metals show the variable oxidation states. In the transition element, the electrons…

Q: What specific features qualify hypochlorite as a "Green" oxidant?

A: Green oxidation: The oxidation process in which O is added or H is removed from substrate leading to…

Q: Assign an oxidation state to each element in each compound. a.) Cu(NO3)2 b.) Sr(OH)2

A: The oxidation state of each ion in the given molecules is as follows:

Q: what is the oxidation number of each atom in ammonium sulfite (NH4)2SO3?

A: Oxidation number is the charge on an element in its bonded state. The given compound is ammonium…

Q: Why is rusting occurs rapidly in moist conditions as compared to a dry environment.

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Q: What is oxidation number of Cn and C6H1206

A: The most common oxidation state of H is +1 and that of O is -2.

Q: what is the oxidation number of oxygen atoms in MnO2?

A: The oxidation number is zero for the summation of the oxidation numbers complete atoms in a complete…

Q: Assign an oxidation state to each atom in each compound. (a) NaCl (b) СaF> (c) SO2 (d) H2S

A: a). NaCloxidation state of Na = +1oxidation state of Cl = -1b). CaF2oxidation state of Ca =…

Q: What is the oxidation number of O in KMnO4 What is the oxidation number of Cr in K2CrO4 What is…

A: Oxidation number is defined as the count of electrons lost or gained by an atom to form a free ion…

Q: what is the structural requirement for a substance to react with the ferric chloride?

A:

Q: . Which scenario indicates that the reduction process occurred?

A: There are two type of processes that take place in redox reactions ;-   oxidation reaction…

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: Write the balanced net ionic equation for the following three reactions:  A) a 0.2M barium nitrate…

A: A balanced net ionic equation is the total equation for a reaction obtained after cancellation of…

Q: Assign the oxidation numbers of the atoms in the following compounds.  (a) Al2O3   (b) XeF4…

A: (a) Al2O3  2 x + 3(-2) =0 2x -6=0 X=3 Al=+3 O=-2 (b) XeF4 Xe + 4(-1) =0 Xe=+4 F=-1

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

A:

Q: Find the element with the highest oxidation number in each of the following formulas: 1.Na2Cr2O7…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Distinguish between oxidizing andreducing agents.

A: Oxidizing agent = Oxidizing agent are those molecules in which addition of oxygen takes place and…

Q: What is the oxidation number of Y in the ionic compounds YC2H3O2

A: Applying concept of determination of oxidation state.

Q: What is the oxidation number of Mn in: MnO2

A:

Q: Assign oxidation numbers to each element and balance the equation in an acidic solution.  MnO4- +…

A: The sum of the oxidation numbers of any species should be equal to the net charge on that species.

Q: Assign oxidation numbers to each atom in potassium dichromate, K2Cr207 I

A:

Q: Assign oxidation numbers to each element and balance the equation in an acidic solution.  Cr2O72- +…

A: The balanced equation in acidic medium is given below

Q: What is the color of Methyl Orange in Caustic Potash?  a. Red b. Deep Blue c. Faint pink d. Faint…

A: What is the color of Methyl Orange in Caustic Potash?

Q: What is the relationship between oxidation and rust?

A: Oxidation is a chemical reaction which involves lose of electrons, gain of oxygen.

Q: Assign oxidation number to the following elements. (a)Mg in MgCO3 (b)Ti in Ti3P2 (c)N in N2O(

A: a) since we know that the total charge in the compound is 0 Hence charge = 0 = oxidation state of Mg…

Q: What is one species that could spontaneously reduce elemental bromine to bromide ions? Write the…

A: The species which can spontaneously reduce elemental bromine to bromide ions is the one which has…

Q: Assign an oxidation state to each atom in each compound. (a) NaCl (b) СaFz (c) SO2 (d) H2S

A: The oxidation state of each atom in the given compound has to be given, Since you have posted a…

Q: What property allows copper to be purified in the presence of iron and nickel impurities? Explain.

A: • In order to achieve 99.9% pure copper used for wiring, electrorefining process is adopted. • In…

Q: What is the oxidation reduction of KMnO4+NaCl+H2SO4->Cl2+K2SO4+MnSO4+H2O+Na2SO4

A: Let's start by assigning the oxidation states to all atoms:

Q: Complete and balance this equation by the method of half-reaction.

A:

Q: (i) Name the method of refining to obtain low boiling metal like mercury, (ii) What is the role of…

A: Refining consists of purifying an impure metal. It is to be distinguished from other…

Q: Cr2072- + 6S203²- + 14H* → 2Cr3+ + 3S406²- + 7H20 What is the reducing agent here?

A: Those chemical species that lose their electrons during the reaction to reduce other atoms are known…

Q: predict if a reaction will occur when Cu metal is put into a 1M aqueous Fe* solution.

A:

Q: Give the oxidation number of each element in the following complex salt. [Cr (NH3)s Br] SO4

A: Given :- chemical formula of complex salt = [Cr(NH3)5Br] SO4  To determine :- oxidation no.of each…

Q: Identify Reducing and Oxidizing Agent Fe+O2=Fe2O3

A: Oxidation : Oxidation is defined as the loss of electrons . In oxidation , the oxidation state of an…

Q: Write chemical equations for the preparation of sols :(a) Gold sol by reduction.(b) hydrated ferric…

A: Given preparations, (a) Gold sol by reduction.(b) hydrated ferric oxide sol by hydrolysis

Q: 2. NH4NO3 is used as an explosive. Explain in terms of redox reaction chemistry.

A: Please find your solution below : Ammonium nitrate is a chemical compound used to make fertilizers…