1. Calculate the oxidation number of the underlined element in each of the following a) NazCr207 b) Rb,Na[HV10O28}]. c) (MnO4)2 d) (UO2)2*

Q: Write the balanced NET ionic equation for the reaction when Cr(NO,), and Li,CO, are mixed in aqueous…

A: Balanced chemical equation is given by,   2Cr(NO3)3(aq) + 3Li2CO3(aq) → Cr2(CO3)3(s) + 6LiNO3(aq)

Q: What is the oxidation number to the element specified in the compound below: Mn : KMN04

A: Given :- KMnO4  To be determined :- oxidation number of Mn in KMnO4

Q: sample of iron ore weighing 0.2732 g was dissolved in an excess of a dilute acid solution. All the…

A: Given sample of iron ore weighing 0.2732 g  24.70 mL of 0.0174 M KMnO4 for oxidation to Fe(III) ions…

Q: E. Tell which of the following species is the strongest oxidizing agent. With solution each NO3, Ag,…

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Q: Please draw the structure of the possible product for the following reaction, and how does the…

A: The details solution for this is provided below in attach image.

Q: 4. The redox reaction between KMNO4 and Na C2O4 is shown in equation 1 of the Introduction. A…

A: Given,  Volume of Na2C2O4 = 25.0 mL  Normality of Na2C2O4 = 0.75 N Volume of KMnO4 = 14.8 mL…

Q: which of the following materials will Behaves as reducing agent H-, Mg, Na+, CI-, F2

A: The species which have a tendency to oxidize will behave as  reducing agent because it will oxidize…

Q: What mass of KMNO4 must be dissolved to prepare 1.25 L of 0.110 N KMNO4 solution? ( K =39 , Mn = 55,…

A: KMnO4 is an oxidising agent. When KMnO4 is used in the titration, it does not require any kind of…

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

A: Standard reduction potential of a half-cell can be calculated by measuring the potential by coupling…

Q: Name the compllex CrCl2 (en)2. The oxidation number of chromium is +2. Enter the name.

A: Naming of coordination complex

Q: Calculate the oxidation number of: a. Fe in Fe2O3 b. Cr in CrO4^2- c. Cr in Cr2O7^2-

A: (a) Fe2O3        Oxidation state of oxygen = -2. Three oxygen atoms are there, so = 3 × (-2) = -6…

Q: Determine the oxidation number of the following: Cr2O72-, Fe3O4, CaH2.

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Q: Assign an oxidation state to each atom CF4

A:

Q: Oxidation number of Cr in K2Cr207 is

A: Compound = K2Cr2O7  Potassium (K) has +1 charge. Let x is the oxidation number of Cr

Q: An electrical current of 3.0 A is used to deposit 0.5 g of nickel to a metal object, with Ni being…

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: 3. Determine the oxidation state of the specified element i the following: (a) Cr in Cr,0,2- (c) Fe…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A potassium permanganate solution is prepared by dissolving 4.68 g KMnO4 in water and diluting to…

A: Weight of substance when divided by its molar mass gives the number of moles of that substance.…

Q: 5. What is "oxidation number"? Find the Oxidation number of: (i) Cr in Cr2O72- ions (ii) Mn in KMNO4…

A: •The sum of all individual atom or molecular oxidation number in polyatomic ion is equal to charge…

Q: For cach of the following compounds, give the oxidation state of each element in the compound. a.…

A: Since you have posted multiple questions with multiple sub-parts, we will solve the first three…

Q: a. What is metallurgy? b. Describe the three methods of concentrating CE DEPT US

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Q: + Mn2 2. Given a reaction in acidic medium: MnO, (w) + Fe" a) - Fe" a. What is oxidized and what is…

A:

Q: Assign oxidation state to the underlined element. Write your answer on the space provided before…

A: The sum of oxidation states of all the atoms present in a molecule is equal to the charge on the…

Q: What is the oxidation state of cobalt (Co) in Col2?

A: The compound given is CoI2  Since there are 7 valence electrons in I. Hence it will take 1 electron…

Q: write the balanced NET ionic equation for the reaction when Mn(C2H3O2)4 and (NH4)2S    are mixed in…

A: In this question, we will write  NET ionic equation.  You can see details Solution below step by…

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

A:

Q: What is the oxidation number of K in KMnO4 (OR K Mn O4)?

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

Q: 3, Consider the following reactions: Fe2+ + 6 H+ + VO43- > VO2+ + 3 H2O A, what is the oxidation…

A: The common oxidation state of oxygen in most of its compound is -2. The sum of the oxidation states…

Q: What is the oxidation state of each element in AgPO3

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Q: In a particular redox reaction, Cr is oxidized to CrO and Fe+ is reduced to Fe2+. Complete and…

A: First of all we write half cell reaction equation

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

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Q: ore soluble in water? CO3

A: 1- CuCl and RbClO4 added in acid then these will be produces strong acid HCl and HVlO4 respectively…

Q: The oxidation state of the element Au in AuCl4- , Mn in MnO2 is ____and ___ respectively Multiple…

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Q: Account for the following: (a) (i) EU2+ is strong reducing agent (ii) Transition metals form…

A: Account for the following: (a) (i) EU2+ is a strong reducing agent (ii) Transition metals form…

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

A: Molecular formula  Mn(ClO4) 3

Q: What is the oxidation state of each element in Mn(NO,),?

A: Given :- chemical formula = Mn(NO3)2  To determine :- oxidation state of each element in the given…

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

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Q: A solution containing 0.40249 g of CoCl2. xH2O was exhaustively electrolyzed to deposit 0.09937 g of…

A: Given: Mass of CoCl2·xH2O = 0.40249 g. And mass of Co formed = 0.09937 g.

Q: In the dichromate ion Cr2O72-, the chromium atom has what oxidation number?

A: Oxidation of Chromium atom in dochromate ion can be calculated using following method :

Q: 10 Calculate the oxidation number of: Cl in Ba(CIO;)2 a b S in S2O,2

A:

Q: he Coordination and Oxidation number for [Mn(en)(SCN)(H,O),]C!, are 4, 2 6, 4 с. 5,4 d. 4, 6

A: The werner theory gave two postulates in which he gave the concept of oxidation number and…

Q: What is the oxidation state of Fe in the molecule Fe203?

A: The sum of oxidation states of individual species is equal to the charge on the species.  Let the…

Q: What is the oxidation number of Cl in the compound Mg(ClO3)2

A: Oxidation number :-  The number of electrons lost or gained by an atom  when it forms a bond is…

Q: The oxidation state of Cr in Cr,0;¯ is: Select an answer and submit. For keyboard navigation, use…

A:

Q: What is the oxidation number of chromium in Cr2O72- ion?     +3     +14     +7…

A: Oxidation: Loss of electron. Reduction: Gain of electron.An oxidizing agent gains the electrons and…