Cobalt 6f many meta l that can be oxidized bynitic one acid. Balance the toowing caction Hou electhone are transFeted, many and what would be the Loefficient For HzO the balaced reoction 7 Co +No 3 + H 40 t H,D t Co *

Q: Gold is isolated from rocks by reaction with aqueouscyanide, CN-: 4 Au(s) + 8 NaCN(aq) + O2(g) +…

A: a) Given Reaction is 4 Au(s) + 8 NaCN(aq) + O2(g) + H2O(l)--------> 4 Na[Au(CN)2](aq) + 4…

Q: A 0.15 M solution of KNO3 is electrolyzed at a voltage of 3.85 and a current of 1.18 amps for 12.0…

A:

Q: + 1.14 V TI Pt Cr3+ (1 M) Cr2+ (1 M) T13+ (1 M) T13+ (aq) + 3e- → TI (s) Cr2+ (aq) → Cr3+ (aq) + e-…

A: An electrochemical cell possesses cathode and anode. A cathode is a metal electrode which is…

Q: 8. Which of the following is the strongest oxidizing agent. (E Fe/Fe=0.77, 1200/1 -0.54,Cu²/Cu-0.34,…

A:

Q: Balance the following reaction in basic solution. (a) 5. I + CrO42 - l2 + Cr*

A: The balancing is done in the following steps.

Q: How many electrons were gained by vanadium in the given half-reaction? vo,- → v- а. 1 с. 3 b. 2 d. 5

A: Balance the given half-reaction in order to determine the number of electrons gained by vanadium.

Q: 7. Chlorine gas, Cla at 1 atm is bubbled into a solution contain'ng 1.0 M F and 1.0M Br at 25°C.…

A: An oxidising agent is the one which oxidise another species and itself it is reduced.  More the…

Q: A current of 3.33 A is passed through a Fe(NO3)2 solution. How long, in hours, would this current…

A: Faraday law of electrolysis is used to calculate amount of ions or element deposited on the…

Q: FORLAD 4 Consider the redox reaction where Ag+ (aq) is oxidized to Ago (s) (E° 0x = -1.77 v) and…

A:

Q: Q.6. Balance the following net reaction for oxidation of Zn by HNO: (acidic solution) using half…

A: The balanced net equation for the given reaction by half reaction method has to be given.

Q: ow many grams of Ag(s) (107.9 g/mol) could be plated out on the cathode of an electrolytic cell by…

A:

Q: hich of the fóllowing are redox processes? Cr** → Cro,²- CO2 → CO3²- SO3 → SO,- NO, → NO3 VO3 →VO2

A: Redox reactions are the combination of reduction and oxidation reactions. The type of reaction in…

Q: A. Balance the equation by oxidation number methad and Identify the oxidizing and veducing agents.…

A: A. Balance by oxidation number method. MnSO4 + PbO2 + H2SO4 → HMnO4 + PbSO4 + H2O Assign oxidation…

Q: Calculate the equilibrium constant, ,K, for the reaction shown at .25 °C.…

A: Given: The equation is given below as,

Q: Given the following reduction half-reactions: Fe*(ag) + e → Fe2* (aq) Eed = +0.77 V S202- (ag) + 4…

A: a) The balanced chemical equations for the oxidation of Fe+2 by i), ii), iii), iv) has to be…

Q: Balance the following reactions: KMNO4 with NaNO2 in acidic medium. C. OUCOT

A: The normal reaction is  NaNO2(aq) + KMnO4(aq) + H2SO4(aq) = NaNO3(aq) + MnSO4(aq) + K2SO4(aq) +…

Q: The equilibrium constant, Kc, was found to be 1.3 x 10^3 at 24.6 C for the reaction.…

A: Here we are required to find the reduction potential of half reaction of X.

Q: 1) Balance the following in acidic solution: (a) H2O2 + Sn²+ + H2O + Sn*+ (b) PŁO2 + Hg → H* + P&+…

A: Given: Some Reactions are given To find: Balance the given Reaction in acidic medium  Solution:…

Q: कि व १arvreाiक, ग्प्ला ०7 गप्डाrमेका. No is oxidized to Noã and Fe3t id sceduced to Fezt. complete…

A:

Q: Calculate the equilibrium constant at 35°C, for the redox reaction between Au (aq) and Br(aq). HINT:…

A: Given reduction half-reactions with E0 values:

Q: A mixture of copper and gold metals that is subjected toelectrorefining contains tellurium as an…

A: Given information:

Q: en 7.Give a chorthand notaction galvanic cell that employs the overll reachion pbCNO,)2 Gnt Ni e p+…

A: Given that  Pb(NO3)2 + Ni ---->.  Pb + Ni(NO3)2

Q: 8. Which of the following is the strongest oxidizing agent. (E Fe/Fe=0.77, 1200/1 -0.54,Cu²/Cu-0.34,…

A:

Q: Chromium plating is applied by electrolysis to objects suspended in a dichromate solution, according…

A: The half-reaction taking place is given as, Given: Thickness of Cr required = 0.01 mm = 0.001 cm…

Q: Half-reaction E° (V) 0.96 Reduction of NO3(aq) to NO(g) (nitrate ion) 1.065 Reduction of Br₂(1) to…

A: we have to write the half reactions

Q: How many grams of X (MW = 157.49 g/mol)(in g) will be deposited on a cathode in 2.11 h by a current…

A: Faradays First Electrolysis Law provides that the amount of reaction taking place on the basis of…

Q: Which species in each pair is a better oxidizing agent under standard-state conditions? a) Brz or…

A: The species that has higher value of standard reduction potential will undergo reduction of itself…

Q: The following reaction occurs in an electrochemical cell: 3 HCIO,(aq) + 2 Cr³* (aq) + 12 H2O(e) → 3…

A: Given: The concentration of Cr2O72-, HClO2, and [HClO] is 0.80 M, 0.15 M and 0.20 M, respectively.…

Q: Of the following, which one is most likely to be the strongest reducing agent: O2, 02", 02 ?O22…

A: Strong reducing agent is O2+. Correct option is A.

Q: Question is attached

A: Sacrificial Anodes are metal that is used to prevent corrosion. Ther are highly active metals that…

Q: Determine the value of E°cell for a galvanic cell that uses the Br2(aq)/Br (aq) and Ag*(aq)/Ag(s)…

A: Standard reduction potential: A solution with higher (more positive) standard reduction potential…

Q: An aqueous solution of nickel acetate is electrolyzed for 3 hours with a 1.8 ampere current. What…

A: Given,  An aqueous solution of nickel acetate is electrolyzed for 3 hours with a 1.8 ampere current.…

Q: Complete and balance the following redox reaction in basic solution 3+ 4+ ロ2 ロ ロロ2+ 6. 8 9. ロ2 □s…

A: The balanced redox reaction in basic solution is given by: As2O3 (aq) + Zn (s) + 5H2= 2AsH3 (aq) +…

Q: A 0.1000 M solution of KHC204 is 0.1000 N in acid-base reaction with 0.1000 M NaOH. What is its…

A: The equation for the reaction of KHC2O4 with NaOH is: KHC2O4(aq) + NaOH(aq) →C2O42-(aq) + H2O(l) +…

Q: Complete and balance the fallauing redox reaction in basic solutian Zn(OH)4²cag) t As IS) 2. )…

A: The redox reactions are the oxidation-reduction reactions, which involves simultaneous oxidation and…

Q: Suppose you have the following reagents available at pH 0, atmospheric pressure, and 1 M…

A: Given: Co(s), Ag+(aq), Cl-(aq), Cr(s), BrO3-(aq), I2(s)

Q: 104. A solution containing Pt+ is electrolyzed with a current of 4.00 A. How long will it take to…

A: Current = 4 AVolume of Solution = 0.50 LMolarity of Solution = 0.01 Mmoles of Pt4+ = Molarity of…

Q: [References] a. Will dichromate ions oxidize chloride ions to free chlorine in acidic solution?…

A: Oxidising agent can be defined as the species that oxidises other species. Oxidation means loss of…

Q: A solution containing Pt+ is electrolyzed with a current of 2.60 A. How long will it take to plate…

A:

Q: A galvanie cell is powered by the Re olox Regctiom: 3+ 2H,014)+4 fe Caa). writea balamced equation…

A: Interpretation - A balanced equation for the half reaction anode and cathode and the cell voltage…

Q: reacts rapidly with water according to the following scheme. [Co(H2O)6]*+ + H20 → [Co(H2O)6]²+ + O2…

A:

Q: +4~乙 MnO4 + Fe -) MnOz be Oxidilized to F Fe +7. Mn'or Mn or MnOy be reduced t

A:

Q: Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below. If…

A: In the given half-cell reaction, the Cr of Cr2O72-(aq) undergoes reduction from +6 oxidation state…

Q: In basic solution, Se²⁻ and SO₃²⁻ions react spontaneously:

A: The given reaction is 2Se2- + 2SO32- + 3H2O → 2Se + 6OH- + S2O32-Ecell° = 0.35 V We know that,…

Q: 19.89 The voltaic cell Cd(s)|Cd²*(aq)||Ni²*(1.0 M)|Ni(s) has a cell potential of 0.290 V at 25°C.…

A:

Q: Gold is electroplated from Au(NO3)3 solution. A constant current of 3.14 amp is applied by an…

A:

Q: Write two half-equations for the following sreactions. For each half-equation state whether…

A:

Q: 3. Consider the following galvanic cell: Fe(s) Cr(s) Salt bridge containing KNO,(aq) 1M Fe+ IM Cr+…

A: Given galvanic cell reaction between Fe and Cr. Which are the cathode and anode?

Q: What volume of a 0.150 N KI solution is required to react in basic solution with 34.1 mL of a 0.216…

A: Given,  Normality of KI = 0.150 N  Normality of KMnO4 = 0.216 N  Volume of KMnO4 = 34.1 mL  Volume…