Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

Redox Reactions Balancing Worksheet, Lecture notes of Chemistry

University of Southern Philippines Foundation (USPF)Chemistry

A balancing redox reactions worksheet for both acid and basic solutions. It includes various redox reactions and their corresponding answers.

Typology: Lecture notes

2021/2022

Uploaded on 08/01/2022

hal_s95
hal_s95 🇵🇭

4.4

(652)

10K documents

1 / 2

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
BalancingRedoxReactionsWorksheet1
Balance each redox reaction in acid solution.
Mn 2+ + BiO3 - Æ MnO4 - + Bi 3+
MnO4 - + S2O3 2- Æ S4O6 2- + Mn 2+
ClO3 - + Cl - Æ Cl2 + ClO2
P + Cu 2+ Æ Cu + H2PO4 -
PH3 + I2 Æ H3PO2 - + I -
NO2 Æ NO3 - + NO
Basic Solutions
MnO4 - + C2O4 2- Æ MnO2 + CO2
ClO2 Æ ClO2 - + ClO3 -
Cu(NH3)4 2+ + S2O4 2-Æ SO3 2- + Cu + NH3
Zn + NO3 - Æ Zn(OH)4 2- + NH3
Al + OH - Æ AlO2 - + H2
Zn Æ Zn(OH)4 2- + H2
Answers
Acidic:
14 H + + 2 Mn 2+ + 5 BiO3 - Æ 2 MnO4 - + 5 Bi 3+ + 7 H2O
16 H + + 2 MnO4 - + 10 S2O3 2- Æ 2 Mn 2+ + 8 H2O + 5 S4O6 2-
4 H + + 2 ClO3 - + 2 Cl - Æ 2 ClO2 + 2 H2O + Cl2
8 H2O + 2 P + 5 Cu 2+ Æ 2 H2PO4 - + 12 H + + 5 Cu)
4 H2O + 2 PH3 + 3 I2 Æ 2 H3PO2 - + 8 H + + 6 I -
H2O + 3 NO2 Æ 2 NO3 - + NO + 2 H +
Basic:
4 H2O + 2 MnO4 - + 3 C2O4 2- Æ 2 MnO2 + 8 OH - + 6 CO2
2 OH - + 2 ClO2 Æ ClO2 - + ClO3 - + H2O
Cu(NH3)4 2+ + S2O4 2- + 4 OH - Æ Cu + 4 NH3 + 2 SO3 2- + 2 H2O
6 H2O + NO3 - + 7 OH - + 4 Zn Æ NH3 + 4 Zn(OH)4 2-
2 Al + 2 H2O + 2 OH - Æ 2 AlO2 - + 3 H2
2 OH - + Zn + 2 H2O Æ Zn(OH)4 2- + H2
pf2

Partial preview of the text

Download Redox Reactions Balancing Worksheet and more Lecture notes Chemistry in PDF only on Docsity!

Balancing Redox Reactions Worksheet 1

Balance each redox reaction in acid solution.

Mn

  • BiO

Æ MnO

  • Bi

MnO

+ S2O

Æ S4O

  • Mn

ClO

  • Cl

Æ Cl2 + ClO

P + Cu

Æ Cu + H2PO

PH3 + I2 Æ H3PO

+ I

NO2 Æ NO

+ NO

Basic Solutions

MnO

+ C2O

Æ MnO2 + CO

ClO2 Æ ClO

  • ClO

Cu(NH3)

+ S2O

Æ SO

  • Cu + NH

Zn + NO

Æ Zn(OH)

+ NH

Al + OH

Æ AlO

+ H

Zn Æ Zn(OH)

+ H

Answers

Acidic:

14 H

  • 2 Mn

2+

  • 5 BiO
  • Æ 2 MnO - + 5 Bi

3+

  • 7 H2O

16 H

  • 2 MnO
    • 10 S2O

2- Æ 2 Mn

2+

  • 8 H2O + 5 S4O

2-

4 H

  • 2 ClO

    • 2 Cl

      Æ 2 ClO2 + 2 H2O + Cl

8 H2O + 2 P + 5 Cu

2+ Æ 2 H2PO

    • 12 H
  • 5 Cu)

4 H2O + 2 PH3 + 3 I2 Æ 2 H3PO

    • 8 H
  • 6 I

H2O + 3 NO2 Æ 2 NO

    • NO + 2 H

Basic:

4 H2O + 2 MnO

    • 3 C2O

2- Æ 2 MnO2 + 8 OH

    • 6 CO

2 OH

    • 2 ClO2 Æ ClO

      + ClO - + H2O

Cu(NH3)

2+

  • S2O

2-

  • 4 OH
  • Æ Cu + 4 NH3 + 2 SO

2-

  • 2 H2O

6 H2O + NO

    • 7 OH

      + 4 Zn Æ NH3 + 4 Zn(OH)

2-

2 Al + 2 H2O + 2 OH

  • Æ 2 AlO - + 3 H

2 OH

    • Zn + 2 H2O Æ Zn(OH)

2-

  • H

Balancing Redox Reactions Worksheet 2

Balance each redox reaction in acid solution.

H2 O 2 + Cr 2 O 7

2-

Æ O 2 + Cr

3+

TeO 3

2-

+ N 2 O 4 Æ Te + NO 3

ReO 4

+ IO

Æ IO 3

+ Re

PbO 2 + I 2 Æ Pb

2+

+ IO 3

As Æ H 2 AsO 4

+ AsH 3

Balance each redox reaction in basic solution.

O 2 + Cr

3+

Æ H 2 O + Cr 2 O 7

2-

Te + NO 3

Æ TeO 3

2-

+ N 2 O 4

IO 3

+ Re Æ ReO 4

+ IO

Pb

2+

+ IO 3

Æ PbO 2 + I 2

Cr 2 O 7

2-

+ Hg Æ Hg

2+

+ Cr

3+

Answers:

8H

  • 3H 2 O 2 + Cr 2 O 7

2- Æ 3O 2 + 2Cr

3+

  • 7H 2 O

TeO 3

2 -

  • 2N 2 O 4 + H 2 O Æ Te + 4NO 3
    • 2H

4H

  • 4ReO 4

    • 7IO

      Æ 7IO 3 - + 4Re + 2H 2 O

8H

  • 5PbO 2 + I 2 Æ 5Pb

2+

  • 2IO 3
    • 4H 2 O

12H 2 O + 8As Æ 3H 2 AsO 4

    • 5AsH 3 + 3H

3O 2 + 8OH

    • 2Cr

3+ Æ H 2 O + 3H 2 O 2 + Cr 2 O 7

2-

H 2 O + Te + 4NO 3

  • Æ TeO 3

2-

  • 2OH
    • 2N 2 O 4

7IO 3

    • 4OH

      + 4Re Æ 4ReO 4 - + 7IO - + 2H 2 O

8OH

    • 5Pb

2+

  • 2IO 3
  • Æ 5PbO 2 + I 2 + 4H 2 O

7H 2 O + Cr 2 O 7

2-

  • 3Hg Æ 3Hg

2+

  • 14OH
    • 2Cr

3+