What will be the product or products if zinc (Zn) reacts with hydrochloric acid (HCI) Most active Least active ZnH₂ + Cl₂ ZnCl₂ + H₂ Zn + 2 HCI Zn x86 823S28825213222 Mg Mn Cd

Q: When metal zinc reacts with hydrochloric acid, what are the final products?

A: Answer:- This question involves the reaction of zinc metal with the hydrochloric acid. So, metals on…

Q: Which of the following is the best Lewis diagram for CH₂O?

A: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simplified…

Q: What is the oxidizing agent? Bi(OH)3 + SnO22– → Bi + SnO32–

A: When any species accepts one or nore electrons, then it is reduced, i.e reduction occurs here. And…

Q: Which metal can be oxidized with an aqueous solution of Cu2+ but not Pb2+?     Sn     Cr…

A: This question is based on the oxidizing agent(Reduction) and reducing agent(oxidation). The detailed…

Q: To balance the reaction: C₇H₁₄ + O₂ → CO₂ + H₂

A: Balance the following reactionC₇H₁₄ + O₂ → CO₂ + H₂O

Q: place the following metals from most active to least active. Ag, Cu, Mg, Pb, Zn

A: Question a five metallic element Ag, Cu, Mg, Pb, Zn is given.  We have following metals from most…

Q: Balance the redox reaction for this equation: K2Cr207+ H2C204 2H20 →_K[Cr(C204)2(H2O)2] ·…

A: In certain reactions, when a reactant reacts with other reactant and forms product, transfer of…

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: Balance the equation for this reaction in acidic solution. MnO4 + → MnO2 + 12

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Q: Write the reduction half reaction of this equation. 2 Al +3 Cu²+ 2 Al³+ + 3 Cu

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Q: What is the reducing agent in the following? 2Ag(s) +Br2(l) → 2AgBr(s)

A: Reducing agent is the species which reduces other species and oxidises itself.

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: The following chemical reaction takes place in aqueous solution: 2FeCl3 (aq) + 3Na2S (aq) → Fe2S3…

A: Molecular equation:                              2FeCl3(aq) + 3Na2S(aq) →  Fe2S3(s) + 6NaCl(aq)

Q: What is the safest way to provide S2- ions in a chemical reaction? React a metal salt with thiourea…

A: Sulfides of IA group elements act as a good source of S2- ion.

Q: What is the oxidizing agent? 2H+ + Sn + HNO3 → SnO2 + NO2 + H2O (acidic solution)

A: What is the oxidizing agent?2H+ + Sn + HNO3 → SnO2 + NO2 + H2O (acidic solution)

Q: Permanganate, MnO4–, can act as an oxidizing agent in both acidic and basic aqueous solutions.…

A: The given reaction is :               MnO4- + Al → MnO2 + AlOH4- Here, Mn is getting reduced from +7…

Q: Which compound is the reducing agent for the following reaction? Mn + Zn2+  Mn2+ + Zn

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Q: For the following redox reaction, balance the equation under ACIDIC CONDITIONS. Cu   +   NO3-…

A: 1) Oxidation Half Reaction :  In this half reaction two electrons removed from the Cu and forming…

Q: [Co(H,O)%]2+(aq) + 4CF(aq) → [CoCl,??-(aq) + 6H,O(I)

A: Given:- The given requilibrium reaction is  [Co(H2O)6]2+(aq) + 4Cl-(aq) → [CoCl4]2-(aq) + 6H2O(l)…

Q: What substance is being reduced in the following reaction? Fe2O3 + 2Al= Al2O3 + 2Fe

A: In oxidation process there is loss of electron and in reduction process there is gain of electron

Q: Mn2+ O OXIDIZING O REDUCING MnO2

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Q: Complete and balance the equation for this reaction in acidic solution. equation: MnO4^− +HNO2⟶NO3^−…

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Q: For a particular redox reaction Cr is oxidized to CrO4 and Fe is reduced to Fe Complete and balance…

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Q: The following materials were used to make fake gold coins (see attached image). What was used in…

A: Electroplating is the process of coating a metal on another metal. Electroplating has a variety of…

Q: How to balance this redox reaction? KMnO4 + FeSO4 + H2SO4 → K2SO4 + Mn+2SO4 + Fe2(SO4)3+ H2O

A: The number of electrons lost during the oxidation is equal to the number of electrons gained during…

Q: What is the oxidation number of Xe in XeO3? Choose the correct sign (+ or -) and the correct number.…

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Q: Determine the chemical equation for the reaction between Fe3+ and Cu2+ with NH3.

A: Ammonia is the weak base.  It is used in the aqueous form.  The reaction of ammonia with the given…

Q: Write out the oxidation half-reaction,the reduction half-reaction,and the complete reaction for the…

A: Oxidation reaction: Calcium metal is oxidized to a calcium ion, losing 2 electrons when it reacts…

Q: What is the oxidizing agent? 2H+ + Sn + HNO3 → SnO2 + NO2 + H2O (acidic solution)

A: Oxidising agent is the species which accept electrons from other species or we can say which reduces…

Q: Write the acidic equilibrium equation for HNO₂

A:

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: Which substance is the oxidizing agent in this reaction? Fe2O3+3CO→2Fe+3CO2   Which substance is…

A: a) The reaction given is Fe2O3 + 3 CO → 2 Fe + 3 CO2  Oxidising agents are those substances which…

Q: Table 20.2 Half-reaction Cr³+(aq) + 3e →→ Cr(s) Fe2+ (aq) + 2e → Fe(s) Fe3+ (aq) + e→→ Fe2+ (aq) e.…

A: The electrode which is having a higher reduction potential gets reduced at the cathode while the…

Q: When the following redox reaction is balanced in acidic conditions, how many H2O are there in the…

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

A: In this reaction Cu is oxidised from 0 to +2 and N is reduced from +5 to +4  So this is redox…

Q: What metal can be oxidized by a solution of Mn2+ but not Mg2+? zinc silver…

A: From the standard data, EMn2+/Mno = -1.18 V      &       EMg2+/Mgo = -2.363 V   From the given…

Q: What is the oxidation number of the sulfur atom in Li 2SO 4  ?

A: Given :- Li2SO4 (an ionic compound)  To be determined :- oxidation number of S atom  O has charge -2…

Q: NiO2 + 2 H2O+ Fe Ni(OH)2 + Fe(OH)2 in basic solution

A: Given,  NiO2 + 2H20 + Fe ---------->Ni(OH)2 + Fe(OH)2   b in basic solution

Q: Use the table to determine which of the following species will best convert Cd +² to Cdº Fe+3 Pb+2…

A: Cd2+ to Cd0 The species which is best reducing agent that reduce Cd2+ to Cd . Best reducing agent…

Q: What is the equilibrium constant for the following redox reaction? Cu2+ + 2Li Cu + 2Lit Litte Cu²+ +…

A: Given, Cu2+ + 2 Li ------> Cu + 2Li+ Standard reduction potential are given, Li+ + e- ---> Li…

Q: From the standard reduction potential table, determine which of the following is the strongest…

A: Oxidizing agent-A substance that trends to bring about oxidation by being reduced and gaining…

Q: [1] KIO3 + 5KI + KIO3 6H* → 312 + 6K* + 3H20

A: Oxidizing agent: Those species oxidize others and reduce themselves. Reducing agent: Those species…

Q: O2 (g) + 4H+(aq) + 4e- ⇌ 2 H2O (l) E10 = +1.23 V • Cu2+(aq) + 2 e- ⇌ Cu(s) E20 = +0.34 V • The…

A: Standard electron potential calculations using half cell reactions :

Q: The oxidation of tin tetrahydride produces Sn SnO SnO2 SnH2 оо O O

A: The oxidation of tin tetrahydride(SnH4) gives

Q: Use standard reduction potentials to calculate the standard free energy change in kJ for the…

A: F = 96500 J/molVE0(I2) = 0.535 VE0) = -0.740 V

Q: Use standard reduction potentials to calculate the standard free energy change in kJ for the…

A:

Q: What is the equilibrium constant for the dissolution of copper (II) hydroxide: Cu(OH)₂ (s) Given the…

A: Equilibrium constant is defined as the ratio of concentration of products to the concentration of…