Describe the reaction Cu + 4HNO3 → Cu(NO3)2 + 2 NO2 + 2 H2O

Q: Which element is oxidized in this reaction? Zno+ C→Zn +CO

A: The reaction given is  => ZnO + C --------> Zn + CO

Q: Which of the following is an oxidation reaction? Ag* → Ag а. CI → CIO, С. b. As+ → AsO, 3- d. Ni* →…

A: Oxidation reaction is the chemical reaction in which increase in the oxidation state of an atom…

Q: What is the gas produced in the reaction of potassium carbonate and hydrochloric acid? a. Cl2 b. СОз…

A: In the Reaction of potassium carbonate with hydrochloric acid, a salt of potassium chloride is…

Q: which are the most reactive metal  and least reactive metal when react with HCl and why? Ca Cu Mg…

A: Reduction potential E0 of elements  E0 of Ca = -2.87v E0 of Cu = 0.34 v E0 of Mg = -2.36 v E0 of Fe…

Q: What is the oxidation number of Cr in a chromate anion CrO4 2? +7 +3 O +6

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Q: Br + Br2 Br Colorless Red Br, Br 2B12 Br Br Red Colorless

A: The reduced stability of these multiple bonds in the given reactions is the deciding factor for the…

Q: What quantity of charge is required to reduce 27.2 g of CrCl 3 to chromium metal? (1 faraday =…

A: Calculate the number of moles in 27.2g CrCl3       reduction of 1mole CrCl3 requires 3 moles of…

Q: Determine the oxidation number for each of the transition metal atoms or ions. a.) [ V(OH2)6 ](NO3)a…

A: Applying definition of coordination no. i.e. no.of co-ordination bonds is equal to coordination…

Q: What is the oxidation state of iron in K4Fe(CN)6? O a 2+ Ob 4+ Oc. 6+ Od 3+

A: Oxidation number of a neutral  molecule is always zero. Using this concept, we can determine the…

Q: Describe the production of metallic aluminum by electrolytic reduction.

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Q: The following reactions are all similar to those of the industrial chemicals. Complete and balance…

A: The incomplete reactions are : (a) reaction of a weak base and a strong acid NH3 + HClO4 ⟶ (b)…

Q: Write balanced equations for the following redox reactions: a. 2 NaBr + Cl2 2 NaCl + Br2 b. Fe2O3…

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Q: Balance each of the following reactions, and identify the type of reaction…

A: Answer:

Q: Given the reaction: Fe*2. Cr207-2 - Fe*3. cr*3 How many electon/s was/were involved in the oxidation…

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Q: Which of the species can be oxidized with 1M HBr? a. Na b. Hg c. Pb d. Mn2+

A: A reducing agent or reductant is species that help in reduction and itself undergoes oxidation . It…

Q: Which metal can be added to steel to form an alloy, which is resistant to corrosion, known as…

A: Stainless steel is the steel which is resistant towards corrosion. It contains approximately 10.5%…

Q: What is the oxidation number of chromium in sodium dichromate, Na 2Cr 2O 7?     +6     +7     +12…

A: oxidation number is the total number of electrons gain and lost by the atom in order to form the…

Q: What is oxidation number of metal in [Rn(NH3)5Cl](NO3) 2

A: [Rn(NH3)5Cl](NO3) 2          in this Complex compound, there is 3 different ligands are present.…

Q: Kindly balance the chemical equation: MnSO4 + AIPO4

A: We will first complete the reaction, and then balance the atoms on both sides to get balanced…

Q: What is the oxidation state of iron in the following compound Ka[F (CN)&J? +2 +3 +1

A: K3[Fe(CN)6]

Q: To obtain Mn2+ using Cl− as a reducing agent, should you use MnO2 or MnO−4?

A: Oxidising agent :  Substance which gets reduce in a chemical reaction and oxidise the other…

Q: Write the net ionic equation for the reaction of copper (II) sulfate with sodium hydroxide

A: Given   The given ionic compounds are NaOH and CuSO4.

Q: What is the oxidation number of Mn in KMnO4? O +7 +2 )+1 +4 O +6

A: The question is about to calculate the Oxidation number of Mn in KMnO4 -

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: What is the oxidation state of each element in Mn(CrO4)2? O =  _______ Cr=  ________ Mn=________

A: Oxidation:  It is the process in which an atom loss its electrons or addition of oxidation occurs in…

Q: Explain why solid CO2  is referred to as dry ice.

A: The rigid, incompressible objects present in the surrounding are classified as solid. The rigidity…

Q: Would you expect the following reaction to proceed in aqueous solution as written? CuCl2 (aq) +…

A: According to the HSAB principle, soft metal react with soft nucleophile and  hard metal combine with…

Q: Describe the electrolytic process for refining copper.

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Q: one of the following metals is used as oxidizing agent a. Ca b. Na c. Fe+2 d. Fe+3

A: Oxidising agent :- The oxidizing agents are those species which can oxidise other species and can…

Q: Determine the empirical s K: 24.74%; Mn: 34.76%; O: 40.50%

A: Empirical formula is simplest formula

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: The change in Oxidation number of 'Mn' in the following reaction is MnO4 MnO2 O 2 O 4 O 3 O 7

A: Oxidation number :-  The charge acquired by an atom in a molecule because of electronegativity…

Q: What happens if a piece of metallic copper is dipped in a solution containing Cr3 + ions?

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Q: Which element is oxidized in the reaction?   Fe2O3 + Al →Al2O3 + Fe

A: Which element is oxidized in the reaction? Fe2O3 + Al →Al2O3 + Fe

Q: Balance the equation below for the reaction under acidic aqueous conditions. Cr20 (aq) (ag) Cr3+…

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Q: 15. What are the products of the reaction between aqueous copper (II) ions and solid cobalt metal?…

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Q: What would you use to prove that copper is reduced in the following reaction? Fe) + CuSO 4(aq) →…

A: Fe + CuSO4 (aq) → FeSO4 (aq) + Cu(s) The type of reaction is a displacement reaction. In this…

Q: Complete and balance the reaction in acidic solution. equation: ZnS + NO3 Zn²+ +S + NO

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Q: Which of these substances are used in the reduction of metal ores? I. II. CO III. O2 IV. H2 O I only…

A: The addition of oxygen is known as oxidation reaction and the removal of oxygen is known as…

Q: Write a balanced equation for the reaction of ammonia with  a. Cu+2 b. H+ c. Al+3

A: In ammonia (NH3) nitrogen has lone pair of electrons. So ammonia act as Lewis base. a. Ammonia…

Q: In the electroplating of nickel, 0.200 faraday of electrical charge is passed through a solution of…

A: We have given that 0.2 F of electric charge is required for the electroplating

Q: Balance the equation for the following reaction under acidic aqueous conditions. Fe2+ + Cr20,2- →…

A: Balance equation: 6Fe2+  +  Cr2O72- + 14H+ → 6Fe3+  + 2Cr3+  + 7H2O Correct answer is (d) 6.

Q: What are the products and balanced equation of aqueous solutions of ferrous sulfate and ammonium…

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Q: (C) Differentiate between typical metallic bonding: Cu, Al, Au, Ag., etc. and hydrogen bond in water

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Q: What is the oxidation number change for the iron atom in the following reaction? E Fe2O3(s) + 3 C(s)…

A: solution- In Fe2CO3 oxidation number of the Ironis =+3in Fe the oxidation No. of iron is =0the…

Q: Aluminum is the most abundant metal in the earth’s crust. It is also a common household utensil…

A: In the step one, the ore is washed and mechanically processed to remove the impurities, and hence…

Q: Which one of the following is a major mineral element? Select one: Selenium Magnesium Cobalt Zinc

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Q: Write the chemical equation It got cut off (K4[Fe(CN)6](aq))

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