Half-reactions

Welcome to the "Half-reactions" category on Questions LLC! This category is specifically designed for those seeking to dive deeper into the fascinating world of half-reactions. Half-reactions play a pivotal role in understanding various chemical processes, particularly in the field of electrochemistry. Whether you're a student, a chemistry enthusiast, or simply curious about the intricacies of chemical reactions, this category is the perfect resource for you. Explore a wide range of questions related to half-reactions, master the art of balancing equations, comprehend the principles behind oxidation and reduction, and gain a profound understanding of how these half-reactions contribute to larger chemical reactions. Join us as we embark on this captivating journey into the realm of half-reactions!

Questions (62)

MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced)i. Write the reduction and oxidation half-reactions (without electrons). (.5
1. 7 answers
2. asked by princess
3. 27,321 views
separate this redox reaction into its component half-reactions.O2 + 4Cu-->2CuO Oxidation half-reaction: ? Reduction
1. 5 answers
2. asked by Sophie
3. 3,288 views
Separate this redox reaction into its component half-reactions.O2+2Cu---->2CuO thought it was: Oxidation 2e-+O2---->2O(-2)
1. 5 answers
2. asked by Cari
3. 8,703 views
write the balanced half reaction for the conversion of HOBr(aq) to Br2(aq) in acidic solution
1. 4 answers
2. asked by amethyst
3. 2,838 views
Base your answer on the following redox reaction, which occurs spontaneously in an electrochemical cell. Zn + Cr3+ --> Zn2+ + Cr
1. 4 answers
2. asked by Mike
3. 2,531 views
What is the reduction half-reaction for the reaction between iron(II) sulfate and potassium permanganate in a sulfuric acid
1. 4 answers
2. asked by Husy
3. 2,048 views
Write down the half-reaction that takes place at the cathode
1. 2 answers
2. asked by Promise
3. 127 views
Which of the following half-reactions would occur at the anode of an electrochemical cell?A. H+(aq) + Cl− (aq) → HCl(aq) B.
1. 6 answers
2. asked by Morgan
3. 2,174 views
Under acidic conditions, MnO4− becomes Mn2+. Write the balanced half-reaction for this transformation. (Omit states-of-matter
1. 6 answers
2. asked by Tsion
3. 4,313 views
Ba2+(aq) + Fe(s) → Ba(s) + Fe3+(aq)What are the balanced half-reactions for this equation?
1. 4 answers
2. asked by Bailey
3. 1,413 views
cd2+ (aq) +ni(s)---> cd(s) + ni2+ (aq) what is the half reaction
1. 4 answers
2. asked by Layla
3. 1,995 views
2Cr(s) + 3Cu2+(aq) → 2Cr3+(aq) + 3Cu(s)Which half reaction occurs at the cathode? (1 point) A. 2Cr(s) → 2Cr3+(aq) + 3e– B.
1. 3 answers
2. asked by Terio
3. 136 views
What is the oxidation half-reaction for Mg(s) + ZnCl2(aq) MgCl2(aq) + Zn(s)?A. Zn(s) Zn2+ + 2e- B. Zn2+ + 2e- Zn(s) C. Mg(s)
1. 3 answers
2. asked by Morgan
3. 1,240 views
Is Cl2 + 2e- -> 2Cl- an oxidation half-reaction?
1. 4 answers
2. asked by Anonymous
3. 2,571 views
Separate this redox reaction into its component half-reactions.O2 + 2Zn -->2ZnO
1. 5 answers
2. asked by Anonymous
3. 4,290 views
Which half-reaction represents reduction?Choose one answer. a. Cu → Cu^+2 + 2e- b. Fe^+2 → Fe^+3 + 1e- c. Ag^+1 + 1e- → Ag
1. 4 answers
2. asked by Tim
3. 2,521 views
2MnO4 + H + 5HSO3 = 2Mn + 5HSO4 + 3H2OI was asked to write the half equations for both the oxidized and reduced reactions.
1. 4 answers
2. asked by Kylee
3. 645 views
MnO4– + SO32– + H2O → MnO2 + SO42– + OH–If the reaction occurs in an acidic solution where water and H+ ions are added
1. 3 answers
2. asked by Jewel
3. 1,721 views
Can someone please help me with this question?Hydrazine is somewhat toxic. Use the half-reactions shown be- low to explain why
1. 2 answers
2. asked by Anonymous
3. 1,334 views
Identify the Oxidation and reduction half reaction in 2 KMNO4 + 10 FeSO4 + 8 H2SO4 -> K2SO4 + 2 MNSO4 + 5 Fe2(SO4)3 + 8 H2OWrite
1. 3 answers
2. asked by Morgan
3. 1,004 views
I haven't learned half reactions for oxidation and reduction so please teach me by leading me from step to step....I don't get
1. 3 answers
2. asked by Anonymous
3. 1,511 views
The full inoic equation for an electrochemical cell is Br2 + Zn yields 2Br- + Zn2+. write the half reaction that occurs at the
1. 3 answers
2. asked by Jessica
3. 1,659 views
write the balanced half reaction for the conversion of Cl2(g)to Cl-(aq)
1. 4 answers
2. asked by amethyst
3. 1,645 views
Which of these shows the correct balanced half-reaction for the following? The reaction takes place in acidic solution.C2O42–(
1. 1 answer
2. asked by sad
3. 427 views
How do i solve this half reaction with Mg(OH)2(s) --> Mg(s)?Complete and balance the displayed half reaction in basic aqueous
1. 2 answers
2. asked by Confused
3. 723 views
would the half reactions for Ag(s) |AgCl(s) |Cl−(aq) ||Cl−(aq) |Hg2Cl2(s) |Hg(§¤)be Ag+Cl+e==> AgCl 2Cl+3Hg==>Hg2Cl2+Hg+e
1. 2 answers
2. asked by brian
3. 632 views
write a balanced half-reaction for the reduction of permanganate ion, Mn04, to Mn02 in a basic solution
1. 2 answers
2. asked by Steve
3. 1,192 views
if i had a beaker with .0001M of Cu solution and copper solid (anode) and another beaker with 1M Cu solution and Cu solid
1. 2 answers
2. asked by sarah
3. 549 views
if i had a beaker with .0001M of Cu solution and copper solid (anode) and another beaker with 1M Cu solution and Cu solid
1. 1 answer
2. asked by sarah
3. 409 views
I have a table of standard potentials in water that gives a number of reactions and their e*reduction. Say I'm looking for the
1. 1 answer
2. asked by Kim
3. 1,039 views
Separate this redox reaction into its component half-reactions.O2 + 2Mg----> 2MgO
1. 3 answers
2. asked by Brianna
3. 2,761 views
What is the reduction half-reaction for the following unbalanced redox equation?Cr2O7^2– + NH4^+ Cr2O3 + N2 A.Cr2O3-->
1. 11 answers
2. asked by cassie
3. 2,028 views
What is the reduction half-reaction for the reaction between iron(II) sulfate and potassium permanganate in a sulfuric acid
1. 4 answers
2. asked by Zakaria
3. 1,767 views
1. Balance the following half reactions in basic solution.ClO3- (aq) �¨ ClO4- (aq) Zn (s) �¨ Zn2+ (aq) BrO3- (aq) �¨ Br-
1. 3 answers
2. asked by Jenny
3. 1,559 views
Balancing Complete Redox ReactionsI need help on the half reduction part for both reduction and oxidation of Cl2(g) --> cl^1-
1. 2 answers
2. asked by Chris
3. 1,346 views
I need the half reactions for this redox reaction: 2KClO3-----> 2KCl + 3 O2
1. 2 answers
2. asked by donna
3. 1,219 views
In a dry cell, MnO2 occurs in a semisolid electrolyte paste and is reduced at the cathode. The MnO2 used in dry cells can itself
1. 2 answers
2. asked by Mel
3. 1,139 views
Write a balanced half reaction for TeO3^2- (aq) = Te(s)
1. 1 answer
2. asked anonymously
3. 18 views
The half-reaction of 3 Pb + 2 NO3 + 8 H-->3 Pb2+ + 2 NO + 4H2O
1. 1 answer
2. asked by Noluvuyo habasisa
3. 914 views
what is the half reactions forC12H22O11+ 8KClO2 => 12CO2 + 11H2O + 8KCl
1. 2 answers
2. asked by Laura Lyn
3. 834 views
cd2+ (aq) +ni(s)---> cd(s) + ni2+ (aq) what is the half reaction
1. 1 answer
2. asked by Layla
3. 816 views
La(s) �¨ La(OH)3(aq) (basic solution)Complete and balance the following half-reactions
1. 2 answers
2. asked by sarah
3. 791 views
Balancing Complete Redox ReactionsI need help on the half reduction part for both reduction and oxidation of Cl2(g) --> cl^1-
1. 2 answers
2. asked by Chris
3. 752 views
evaluate E^0 for the half reaction:CO2 (g) + 2H + 2e^- <--> HCOOH ( Aq)
1. 2 answers
2. asked by katya
3. 735 views
Balance the following equation for a half reaction that occurs in acidic solution. Use e– as the symbol for an electron.Mo^3+
1. 2 answers
2. asked by Anon
3. 709 views
Can you please help me write the oxidation and reduction half reactions represented in each of these redox equations, and help
1. 2 answers
2. asked by sydney
3. 674 views
Write the balanced overall reaction from these unbalanced half-reactionsln--->ln^3+ Cd^2+--->Cd
1. 2 answers
2. asked by Joe
3. 675 views
Dr. Bob222I still didn't understand which is the reduction half reaction and its products and oxidation half reaction...and why
1. 2 answers
2. asked by Maria
3. 696 views
P(s)+ H+ + NO3- ---> H2PO4 + NO + H2OI am trying to write the two half rxns and I can get one, but not the other. I have: red:
1. 2 answers
2. asked by Holly
3. 554 views
what are the half reactions fora) Cr(NO3)2 b) Pb(NO3)2 I know that Cr and Pb are: Cr^2+ +2e- -> Cr Pb^2+ +2e- -> Pb I just don't
1. 2 answers
2. asked by anon
3. 536 views

Half-reactions

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