Answer:-
These questions are answered by using simple concept of oxidation and reduction using the standard reduction potential.
The answer is given in the image,
1. which of the following is the strongest oxidizing agent? (in an acidic solution) (pick one)...
Calculate the standard cell potential and determine if the reaction is spontaneous in the forward direction(as written). Identify each oxidizing agent and reducing agent. Ni (s) + Zn2+(aq) ----> Ni2+(aq) + Zn (s) Ni (s) + Pb2+(aq) -------> Ni2+(aq) + Pb (s) Al (s) + 3 Ag+(aq) ---------> Al3+(aq) + Ag (s) Pb (s) + Mn2+(aq) ----------> Pb2+(aq) + Mn (s)
Which of the following is the strongest oxidizing agent? MnO4 ̄ (aq) + 4 H+ (aq) + 3 e ̄ → MnO2 (s) + 2 H2O (l) I2(aq) +2e ̄ →2I ̄(aq) Zn2+(aq) +2e ̄ →Zn(s) εo = 1.68 V εo =0.54V εo =-0.76V Al Ni Both Al and Ni would work Neither Al nor Ni would work
19. a. Balance the following redox reaction if it occurs in acidic solution. How many electrons are transferred, and what are the half reaction potentials? Fe 2+(aq) + MnO4 ?(aq) ? Fe 3+(aq) + Mn 2+(aq) b. What element is being oxidized, and what is the oxidizing agent in the given redox reaction? Mg2+(aq) + NH4 +(aq) ? Mg(s) + NO3 ?(aq)
1. Calculate the value of E° for the reaction below; Pb2+ (aq) + Ni (s) → Ni2+(aq) + Pb (s) 2. Calculate the value of ΔG° for the reaction below using your value from Question one; Pb2+ (aq) + Ni (s) → Ni2+(aq) + Pb (s) 3. Balance the following redox reaction in acidic conditions; KMnO4 (aq) + NO (g) → MnO2 (s) + NO2(g)
Consider the following half-reactions: Half-reaction E° (V) Brz(1) + 2e -→ 2Br" (aq) 1.080V Pb2+ (aq) + 2e Mn2+(aq) + 2e →→Mn(s) -1.180V → Pb(s) -0.126V (1) The strongest oxidizing agent is: enter formula (2) The weakest oxidizing agent (3) The weakest reducing agent is: (4) The strongest reducing agent is: (5) Will Brz(1) oxidize Mn(s) to Mn2+(aq)? (6) Which species can be oxidized by Pb2+ (aq)? If none, leave box blank. Submit Answer Retry Entire Group 9 more group...
Consider the following half-reactions: Half-reaction E° (V) Brz(1) + 2e 2Br" (aq) 1.080V Pb2+(aq) + 2e —— Pb(s) -0.126v Mn2+(aq) + 2e —— Mn(s) -1.180V (1) The strongest oxidizing agent is: enter formula (2) The weakest oxidizing agent is: (3) The weakest reducing agent is: (4) The strongest reducing agent is: (5) Will Br2(1) oxidize Mn(s) to Mn2+(aq)? (6) Which species can be oxidized by Pb2+ 2+(aq)? If none, leave box blank. Submit Answer Retry Entire Group 9 more group...
Balance the following redox reaction in acidic solution.... Mn2+(aq)+Zn2+(aq)=MnO2(s)+Zn(s)
Which of the following is the strongest reducing agent? A) Fe2+(aq) B) Fe3+(aq) C) Cd(s) D) F-(aq) E) Na(s) . Which of the following is the weakest oxidizing agent? A) Cu+(s) B) Fe2+(aq) C) Sn4+(aq) D) K+(s) E) Cr3+ (aq) Which of the following is the weakest reducing agent? A) Al(s) B) K(s) C) Ba2+(aq) D) A13+ (aq) E) F-(aq) Determine which of the following pairs of reactants will result in a spontaneous reaction at 25°C. A) Pb2+ (aq) +...
5) Balance the following redox reactions. For each one, identify the reducin and the oxidizing agent. (acidic solution) a) Cr2O72- + NO2 = Cr3+ + NO3- (basic solution) b) H O2 + Cio2 = 02 + ClO2- (acidic solution) c) Mnox + VÕ2+ = Mn2+ + V(OH)4* d) AIS) + Noz = NH4+ + A102 (basic solution) e) 103- + 1 = 12 (acidic solution) f) SCN-+ Br03- = Br + SO42- + HCN (acidic solution)
Which of the following species is the strongest oxidizing agent under standard state conditions? a. Ag+(aq) b. H2(g) c. H+(aq) d. Cl2(g) e. Al3+(aq) An oxidizing agent is a substance that gains electrons in a redox chemical reaction. I think Al3+ has a very high electron affinity and should pull electrons to it in a chemical reaction. Is Al3+ the best choice for this problem?