Question

Which of the following is easiest to oxidize? a. H2(g) b. Zn(s) c. Ag(s) d. H2O(l)...

Which of the following is easiest to oxidize?

a. H2(g)

b. Zn(s)

c. Ag(s)

d. H2O(l)

e. Cu(s)

The half?reaction occurring at the cathode in the balanced reaction shown below is ________. 3MnO4 ? (aq)  +  24H+ (aq)  +  5Fe (s)  ?  3Mn2+ (aq)  +  5Fe3+ (aq)  +  12H2O (l)  

a. MnO4 ?   (aq)  +  8H+ (aq)  +  5e?   ?  Mn2+ (aq)  +  4H2O (l)

b. 2MnO4 ? (aq)  +  12H+ (aq)  +  6e?   ?  2Mn2+ (aq)  +  3H2O (l)

c. Fe (s)  ?  Fe3+ (aq)  +  3e?

d. Fe (s)  ?  Fe2+ (aq)  +  2e? e. Fe2+ (aq)  ?  Fe3+ (aq)  +  e

can you explain in detail? I have no clue what is going on

0 0
Add a comment Improve this question Transcribed image text
Answer #1

The s ystem whic h have sest feduion 0.8 52 oxidation (Anodc) t3 Re ducon (cathode) +2 ナ 2 1 febalen «ina e n two half ell 3 -t fe ナ 3 1 Next d‘ summation:

Add a comment
Know the answer?
Add Answer to:
Which of the following is easiest to oxidize? a. H2(g) b. Zn(s) c. Ag(s) d. H2O(l)...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Write the half-reactions and the net ionic equations for these complete redox reactions 4 2NaCl (aq) + Br: (I) Cl:...

    Write the half-reactions and the net ionic equations for these complete redox reactions 4 2NaCl (aq) + Br: (I) Cl: (g)2NaBr (aq) a) Oxidation half-reaction: Reduction half-reaction: CrCls (aq)+ Au (s) AuCl3(aq) Cr (s) - b) Oxidation half-reaction: Reduction half-reaction: Identify the oxidizing agent and the reducing agent in these complete redox reactions: 5. 5SO2-2Mn2+ 5so +3H2O a) 2MnO, +6H A) MnO B) So2 C) Mn2 D) SO E) H Oxidizing agent: b) 5Fe2 (aq) + MnO4 (ag) +8H'(aq)-5Fe (ag)+...

  • Which of the reactions involving metal ions (Equations 1A – 6B ) represent redox reaction(s)? Write...

    Which of the reactions involving metal ions (Equations 1A – 6B ) represent redox reaction(s)? Write down the entire equation(s) AS WELL AS their corresponding balanced oxidation half-reaction(s) AND reduction half-reaction(s). Ag+(aq)+ HCl(aq)+ H2O(l) -> AgCl(s, white)+ H3O+(aq) Eq. 1A AgCl(s)+ 2NH3(aq) -> [Ag(NH3)2]+(aq)+ Cl–(aq) Eq. 2A Fe3+(aq)+ 3NH3(aq)+ 3H2O(l) -> Fe(OH)3(s)+ 3NH4(aq) Eq. 3A Fe3+(aq)+ 6SCN–(aq) -> Fe(SCN)63–(aq, blood-red) Eq. 4A Co2+(aq)+ 7NO2–(aq)+ 3K+(aq)+ 2H3O+(aq) -> NO(g)+ 3H2O(l)+ K3[Co(NO2)6](s, yellow) Eq. 6A 2 NO(g, colorless)+ O2(g) →2NO2(g, red-brown) Eq....

  • Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Mg2...

    Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Mg2 ] = 0.774 M and [Sn2 ] = 0.0190 M. Standard reduction potentials can be found here. Reduction Half-Reaction Standard Potential Ered° (V) F2(g) + 2e– → 2F–(aq) +2.87 O3(g) + 2H3O+(aq) + 2e– →  O2(g) + 3H2O(l) +2.076 Co3+(aq) + e– →  Co2+(aq) +1.92 H2O2(aq) + 2H3O+(aq) + 2e– →  2H2O(l) +1.776 N2O(g) + 2H3O+(aq) + 2e– →  N2(g) + 3H2O(l) +1.766 Ce4+(aq) + e– → Ce3+(aq)...

  • For all of the following experiments, under standard conditions, which species could be spontaneously produced? A...

    For all of the following experiments, under standard conditions, which species could be spontaneously produced? A lead wire is placed in a solution containing Cu2+ yes no  Cu yes no  PbO2 yes no  No reaction Crystals of I2 are added to a solution of NaCl. yes no  I- yes no  No reaction yes no  Cl2 A silver wire is placed in a solution containing Cu2+ no yes  Cu no yes  No reaction no yes  Ag+ Half-Reaction 8° (V) Half-Reaction 8° (V) 2.87 1.99 1.82 1.78 1.70 1.69 1.68 1.60...

  • Find the best reducing agent from Cu+, Ag+ F2 and Fe3+ #1. In the reduction table...

    Find the best reducing agent from Cu+, Ag+ F2 and Fe3+ #1. In the reduction table i can see several repeated values of Fe3+ one is equal to 0.77v and the second one is equal to -0.036v so, which one do I choose? Please explain. #2.If I'm asked to find the best oxidation agent, from the values already provided (Cu+, Ag+ F2 and Fe3+) which one would it be? and how would I decide from repeated values, like in #1,...

  • Please show all steps taken (prefer typed solution) Half-Reaction E ° (V) Ag+ (aq) + e−...

    Please show all steps taken (prefer typed solution) Half-Reaction E ° (V) Ag+ (aq) + e− → Ag (s)   0.7996 Al3+ (aq) + 3e− → Al (s) −1.676 Au+ (aq) + e− → Au (s)   1.692 Au3+ (aq) + 3e− → Au (s)   1.498 Ba2+ (aq) + 2e− → Ba (s) −2.912 Br2 (l) + 2e− → 2Br− (aq)   1.066 Ca2+ (aq) + 2e− → Ca (s) −2.868 Cl2 (g) + 2e− → 2Cl− (aq)   1.35827 Co2+ (aq) + 2e−...

  • Imagine that the hypothetical elements. A B C and D form the ions A2+, B2, C2,...

    Imagine that the hypothetical elements. A B C and D form the ions A2+, B2, C2, and Dar. The following reactions show the interactions that do or do NOT occur. Use this information to order the species in a reduction half reaction table. D2+ + C → C2+ + D Easiest to Hardest to Reduce Oxidize D2+ + B - No reaction C2+ + A - A2+ + C Hardest to Reduce Easiest to Oxidize st Lab Questions: To receive...

  • please answer all of the questions!! 1. Which substance is reduced in the following reaction (1...

    please answer all of the questions!! 1. Which substance is reduced in the following reaction (1 point): 2Al(s) + 3C12(g) → 2AlCl3(s) a. Al b. Cl2 c. AICI: d. None 2. Which substance is the reducing agent in the following reaction (1 point): 8H+ (aq) + MnO4 (aq) + 5Fe2+ (aq) → 5Fe3+ (aq) + Mn2+ (aq) + 4H2O(1) a. Fe2+ b. Mn04 c. H+ d. H20 3. Which substance is oxidized in the following reaction (1 point): Fes(s) +...

  • A) Use tabulated electrode potentials to calculate ΔG∘ for the reaction. 2K(s)+2H2O(l)→H2(g)+2OH−(aq)+2K+(aq) B) (Refer to the...

    A) Use tabulated electrode potentials to calculate ΔG∘ for the reaction. 2K(s)+2H2O(l)→H2(g)+2OH−(aq)+2K+(aq) B) (Refer to the following standard reduction half-cell potentials at 25∘C: VO2+(aq)+Ni2+(aq)2H+(aq)++2e−e−→ →Ni(s)VO2+(aq) +H2O(l)E∘=−0.23V E∘=0.99V) An electrochemical cell is based on these two half-reactions: Oxidation:Reduction:Ni(s)VO2+(aq,0.024M)+2H+(aq,1.4M)+e−→→Ni2+(aq,1.8M)+2e−VO2+(aq,1.8M)+H2O(l) Calculate the cell potential under these nonstandard concentrations. C) Standard reduction half-cell potentials at 25∘C Half-reaction E∘ (V ) Half-reaction E∘ (V ) Au3+(aq)+3e−→Au(s) 1.50 Fe2+(aq)+2e−→Fe(s) − 0.45 Ag+(aq)+e−→Ag(s) 0.80 Cr3+(aq)+e−→Cr2+(aq) − 0.50 Fe3+(aq)+3e−→Fe2+(aq) 0.77 Cr3+(aq)+3e−→Cr(s) − 0.73 Cu+(aq)+e−→Cu(s) 0.52 Zn2+(aq)+2e−→Zn(s) − 0.76...

  • Using standard reduction potential in aqueous solutions at 25c Table, which substance is most likely to...

    Using standard reduction potential in aqueous solutions at 25c Table, which substance is most likely to be oxidised by O2 (g) in acidic aqueous solution? Select one: a. Br2 (l) b. Br- (aq) c. Ni2+ (aq) d. Ag (s) e. Cu2+ (aq) Cathode (Reduction) Half-Reaction Standard Potential E° (volts) Li+(aq) + e- -> Li(s) -3.04 K+(aq) + e- -> K(s) -2.92 Ca2+(aq) + 2e- -> Ca(s) -2.76 Na+(aq) + e- -> Na(s) -2.71 Mg2+(aq) + 2e- -> Mg(s) -2.38 Al3+(aq)...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT