Complete and balance the following double displacement reaction: Pb(NO3)2 + NH4OH → Pb2OH Pb(OH)2 Pb(NO3)2 PBOH (NH4)2(NO3)2 NH4(NO3)2 NH4NO3 (NH4)2NO3 1 2 4 3

Q: What is the oxidation number of the underlined Hypothetical Element, X? I.)  (NH4)2X(SO4)3 II.)…

A: We have to find the oxidation number of the underlined Hypothetical Element, X? I.)  (NH4)2X(SO4)3…

Q: 2CrO42- + 3Pb+ 5H2O2Cr(OH)3 + 3HPbO2-+ OH- In the above redox reaction, use oxidation numbers to…

A: The substance whose oxidation increases in the reaction loses electrons. And since loss of electron…

Q: Atomic Wt:   O = 15.999 As = 74.922  H = 1.008 Na = 22.990I = 126.904 C = 12.011   1. Which of the…

A: Oxidation : Loss of electrons with increase in the oxidation state .Reduction : Gain of electrons…

Q: In the following reaction, All of the following are spectator ions EXCEPT   2NaI (aq) + Pb(NO3)2…

A: The spectator ions are the ions which do not involved in the net ionic equation. the balanced…

Q: 5. Identify the oxidizing agent and reducing agent in the following reaction. 2Al(s) + 3H₂SO4(aq) →…

A:

Q: Complete and balance each gas evolution reaction. HClO4(aq)+K2CO3(aq) HC2H3O2(aq)+LiHSO3(aq)…

A: In a chemical equation has the number of elements are equal for both reactants and products side is…

Q: Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox")…

A: Answer:

Q: How many electrons are involved in each of the following reactions? Part A) 2Al2O3→4Al+3O2…

A: A) 2Al2O3 --> 4Al + 3O2 The oxidation state of Al and O atom in Al2O3 are +3 and -2 respectively.…

Q: Determine the oxidation state of: a. Chlorine in HClO4         b. Manganese in MnO4–2

A: Oxidation number or Oxidation state: • Oxidation number of atoms in pure element or Atoms in free or…

Q: PbO2 + H3AsO3+ 2H+Pb2+ + H3AsO4+ H2O In the above redox reaction, use oxidation numbers to…

A: Oxidation : Oxidation is the loss of electron with increase in oxidation state. Reduction :…

Q: 2a. Which of the following is a redox reaction? A. CO2(g) + Ca(OH)2(aq) → CaCO3(s) + H2O(l) B.…

A: Answer: 2/a . D , 2/b. B

Q: Which of the following reactions are REDOX? A 2 Na + Cl₂ → 2 NaCl B CH4+2O2 → CO2 + 2H2O C Fe2O3 +3…

A: Oxidation = increase in the oxidation state  Reduction = decrease in the oxidation state  Redox…

Q: Classify each of the following reactions (acid-base, combination, decomposition, combustion or…

A:

Q: Which of the following is the oxidizing agent in the following redox reaction?   2KMnO4(aq) +…

A: 2KMnVIIO4(aq) + 5Na2C2IIIO4(aq) + 8H2SO4(aq) → 10CIVO2(g) + 2MnIISO4(aq) + K2SO4(aq) + 5Na2SO4(aq) +…

Q: Identify the oxidizing agent and reducing agent in the reaction. 7 IO3− + 4 Re + 4 OH−  → 4 ReO4 +…

A: The balanced redox reaction given is, => 7 IO3−+ 4 Re + 4 OH− → 4 ReO4 + 7 IO− + 2 H2O

Q: 36. How many electrons were lost/gained in the following redox reaction   2K2Cr2O7 + 2H2O + 3S 4KOH…

A: A redox reaction is a reaction in which oxidation and reduction occurs simultaneously.

Q: Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox")…

A: We have to predict nature of reaction and oxidising agent and reducing agent.

Q: In which ONE of the following reactions is the oxidation state of phosphorus equal to +3 in either a…

A: In which ONE of the following reactions is the oxidation state of phosphorus equal to +3 in either a…

Q: Which one of the following choices represents the NET IONIC reaction which actually takes place in…

A: In any net ionic reaction we will not have following things 1) Any (aq) components of molecules. we…

Q: b.   Electrolyte   c.   Oxidizing agent   d.   Both oxidizing and reducing agent

A: Addition of  electron is called reduction where as removal of electron is called oxidation.

Q: Which of the following is NOT a redox reaction?     a. They are all redox reactions.   b. Mg +…

A: # First we have to know about redox reaction: Redox Reactions : In these reactions one species is…

Q: Balance the following redox reaction. 1. Mg + CuCl2 > MgCl2 + Cu 2. Zn + Cl2 > ZnCl2 3. NO + O2 >…

A: We have to assign the oxidation number of each elements before balancing the reaction. It will help…

Q: a)What is the oxidation number of Sulfur (S) in sulfurous acid, H2SO3?   a -4 b +4 c 0 d -2…

A:

Q: Identify (circle) the oxidizing agent in each of the following redox reactions: PbO, + Pb + 2 HSO, +…

A: ->Oxidizing agent is the reagent which can oxidize the other specie and reduce itself.

Q: 7. 2 Na + FeCl2 → 2 Nacl + Fe 8. 2 C2H2 + 5 O2→ 4 CO2 + 2 H20 9. 2 PbS + 3 02→ 2 SO2 + 2 PbO 10. 2…

A:

Q: 5. For the following reactions, identify the type (combination, combustion, decomposition,…

A: A chemical reaction is symbolic representation of the conversion of substances to new substances.In…

Q: All of the following reactions 2Al(s) + 3B12(/) → 2AIBr3(s) 2Ag20(s) → 4Ag(s) + O2(g) CH4(1) +…

A: Redox Reactions: The chemical reactions in which the Oxidation and Reduction of species takes place…

Q: To do: Identify the oxidizing agent and reducing agent in the reactions. 1. 2Na2S2O3+l2-Na2S4O6+2Nal…

A: Here we have predict the substance which act as oxidizing agent and reducing agent.

Q: Which of the following represents the net ionic equation for the reaction between iron(III)oxide and…

A: The net ionic equation will consist of Fe3+ as iron (III) oxide is reacting. Hence the net ionic…

Q: Which reaction below is NOT a redox reaction O 2H2 (g) + O2 (g) →2H2 O(1) O H2 SO4 (aq) + 2 N2OH(aq)…

A:

Q: 15.0 g of aluminum sulfite reacts with 15.0 g of sodium hydroxide following the reaction below +…

A: In order to find the excess reagent, limiting reagent concept is applied. Limiting reagent is that…

Q: Complete and balance the following double displacement reaction: Ba(NO3)2 + H2SO4

A: The reaction in which the  two compound react and in order to exchange their ions with each other…

Q: In the following Redox Reaction, which would be designated as the Reducing Agent? 2AI(s) +…

A: In the given reaction, we have to identify the Reducing agent.

Q: 6I- + 2Cr(OH)33I2 + 2Cr+ 6OH- In the above redox reaction, use oxidation numbers to identify the…

A: Increase in oxidation no. Is oxidation & decrease in oxidation no. Is reduction. Compound is…

Q: In the reaction: 2 HNO3 (aq) + Cu(s) + 2H† (aq) → 2NO3 (aq) + Cu²+ + 2H2O (aq) (1) Which of the…

A: Given reaction,

Q: Identify the oxidizing agent and reducing agent in the reaction.  10 OH- + 2 Cr(OH)3 + 3 Br2  → 2…

A: Given : We have to write the oxidizing and reducing agent.

Q: Match each of the following with its correct answer The type of the reaction in the following…

A:

Q: 6) For the following redox reaction: Fe203(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) a) What is the…

A:

Q: Complete the following redox reaction : KMnO4 + H2SO4 + FeC2O4 -> K2CrO7 + HCl + SnCl2 -> FeSO4 +…

A:

Q: Complete and balance the molecular equation for the reaction of aqueous ammonium bromide,…

A: The complete balanced molecular equation is given as,

Q: II. Identify oxidizing agent and reducing agent in the reactions. 1. 2Na,S,O3 + 2→ Na,S,O6 + 2Nal 2.…

A:

Q: Which of the following is a gas-evolution reaction? 2 C2H6()+7 02(g)4 CO2(g) + 6 H20(g) NH4CI(aq) +…

A: A chemical reaction is symbolic representation of the conversion of substances to new substances.

Q: MnO4 + Bi+ 2H20MNO2 + Bi(OH)3+ OH In the above redox reaction, use oxidation numbers to identify the…

A: The given reaction is,

Q: Which of the following reactions is an example of a single replacement reaction?     HCl + NaOH →…

A: In single replacement reaction on element with reactivity replace other element from its compound .

Q: Identify which substance is the oxidizing agent and which substance is the reducing agent in each of…

A: a) 4NH3 + 5O2 --------> 4NO + 6H2O   4 N-III - 20 e- → 4 NII(oxidation)   10 O0 + 20 e- → 10…

Q: Identify whether each of the following reaction is a redox reaction. If it is so, by showing the…

A: Both the reactions are redox reactions. In a redox reaction, reduction and oxidation undergo…

Q: For the given reactions, classify the reactants as the reducing agent, oxidizing agent, or neither.…

A: Given Reactions :-  N2 +  3H2   ---->   2NH3 2S  +   3O2  ---->  2SO3

Q: Complete and balance the following double-displacement chemical equation: ZnCl2(aq) + AgC2H3O2(aq)

A:

Q: What is being reduced and oxidized in the following reaction? What are the reducing and oxidizing…

A: Given equation:

Q: Which species is being oxidized in the following reaction? 2 HNO3(aq) + Cus) + H*( + H2O@) (aq) 2…

A: Applying definition of oxidation and reduction.