Question

In the following chemical reaction, which element is reduced? Cr20-2- + H+ + 1 = Cr3+ + 12 + H20 OA) iodine B) chromium C) hy

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

Grigor + 4 xx2 +62x7) =-2 + I est + Iz + H₂O + x = +6 Here, on t6 0²- en tå (+6 7 no net 4*, change +3) => oxidation state dethe element reduced is (B) Chromium

Add a comment
Know the answer?
Add Answer to:
In the following chemical reaction, which element is reduced? Cr20-2- + H+ + 1 = Cr3+...
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
  • In the following balanced reaction equation, identify which element is being reduced, which element is being...

    In the following balanced reaction equation, identify which element is being reduced, which element is being oxidised and how many electrons are being transferred in the reaction. 3CH3CH2OH + 2Cr2O7 2− + 16H+ ⇌ 3CH3COOH + 4Cr3+ + 11 H2O (A) Cr reduced, C oxidised, 4 e− transferred (B) C reduced, H oxidised, 3 e− transferred (C) Cr reduced, H oxidised, 4 e− transferred (D) Cr reduced, C oxidised, 12 e− transferred (E) C reduced, Cr oxidised, 16 e− transferred

  • a In the following reaction, identify which element is oxidized and which is reduced by assigning...

    a In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation numbers: Ba(s)S(s)BaS (s) barium is reduced; sulfur is reduced barium is reduced; sulfur is oxidized barium is oxidized; sulfur is oxidized barium is oxidized; sulfur is reduced Submit b In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation number 2Sr(s)02(g)> 2SrO(s) strontium is reduced; oxygen is reduced strontium is oxidized; oxygen is reduced strontium is oxidized;...

  • chem ll For the reaction KCIO, — KCI + O2 assign oxidation numbers to each element...

    chem ll For the reaction KCIO, — KCI + O2 assign oxidation numbers to each element on each side of the equation. K in KCIO: K in KCI: Question 1 of 18 > Cl in KCIO,: Clin KCI: O in KCIO, O in 0,: Which element is oxidized? Which element is reduced? OCI OK Oo ОСІ O in KCIO, in 0,: Which element is reduced? Which element is oxidized? ОСІ Ок Оо ОСІ Ок ОО In a hydrogen fuel cell,...

  • 6. For each of the following, enter the chemical symbol of the element. 1. Which element...

    6. For each of the following, enter the chemical symbol of the element. 1. Which element is oxidized in this reaction? ZnO + C+ Zn + CO 2. Which element is reduced in this reaction? 2 Cr(OH)3 + 3 OCT + 4 OH → 2 Cro.?- + 3 CF + 5 H20 Now, for the following reaction, write your answer as a chemical formula: 3. Which substance is the oxidizing agent in this reaction? ZnO + C+ Zn + CO...

  • For each reaction, identify the element that gets reduced and the element that gets oxidized. 2...

    For each reaction, identify the element that gets reduced and the element that gets oxidized. 2 AgCl + Zn -- 2 Ag + ZnCl, Identify the element that gets reduced. Identify the element that gets oxidize O silver O zinc chlorine Ochlorine O zinc O silver 4 NH, +30, 2N2 + 6H20 Identify the element that gets reduced. Identify the element that gets oxidized. O nitrogen oxygen hydrogen hydrogen oxygen nitrogen Feo, + 2 AL - ALO, + 2 Fe...

  • In the reaction H 2O + CO 2 → H 2CO 3, which element was oxidized?...

    In the reaction H 2O + CO 2 → H 2CO 3, which element was oxidized? A. hydrogen B. carbon C. oxygen D. None of the elements were oxidized.

  • 20) The unbalanced chemical equation for the reaction to form Ag[Cr20) is Crdt + 5,0.- +H50+...

    20) The unbalanced chemical equation for the reaction to form Ag[Cr20) is Crdt + 5,0.- +H50+ AgNO, Aer 0,1 +502 +H+NO, Balance the equation. Determine which atoms were oxidised and which reduced in the reaction.

  • For each reaction, identify the element that gets reduced and the element that gets oxidized. 2...

    For each reaction, identify the element that gets reduced and the element that gets oxidized. 2 AgCl + Zn +2 Ag + ZnCl, Identify the element that gets reduced. Identify the element that gets oxidized. O chlorine O zinc silver O chlorine silver zinc 4NH, +30, 2N, +6H,O Identify the element that gets reduced. Identify the element that gets oxidized. hydrogen O oxygen O nitrogen hydrogen oxygen nitrogen O Fe,0, +2 Al-A1,0, +2 Fe Identify the element that gets reduced....

  • 5) Determine which element is oxidized and which element is reduced in the following redox reactions....

    5) Determine which element is oxidized and which element is reduced in the following redox reactions. (4)                                Fe2O3 + CO ® Fe + CO2 Element oxidized ____________________       Element reduced _________________                               Cr2O72- +   H2C2O4 ®   Cr3+ +   CO2 Element oxidized ____________________       Element reduced ___________________ 6) Determine the balanced molecular, ionic and net ionic equations for the following single displacement (replacement) reaction. (9) (ME) Al(s) + HCl(aq) ® (IE) (NIE)

  • art A In the following reaction, which element is oxidized? CH3 CHO+H2O2CH3 COOH+H20 Express your answer...

    art A In the following reaction, which element is oxidized? CH3 CHO+H2O2CH3 COOH+H20 Express your answer as a chemical symbol. ΑΣφ ? Submit Request Answer Part B In the following reaction, which element is reduced? CH3 CHO+ H2O2 CH3 COOH + H2O Express your answer as a chemical symbol. ΑΣφ ? In the following reaction, which element is oxidized? 2 C2 H5 OH+ 2 Na 2 C2 H5 ONa + H2 Express your answer as a chemical symbol. ΑΣΦΦ ?...

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