In the previous blog post, i have shared with you on the strategies to balance redox equations using the Half-Reaction Method in acidic medium. If you have missed out on that, you should click HERE to view the video teachings.
Today, we are going to continue to use the Half-Reaction Method to balance redox equations in the alkaline medium.
13 Steps Strategy to Balance Redox Equations in Alkaline / Basic Medium:
Following are the strategy when you need to balance redox equations in the alkaline medium:
1: Using the O.S., identify the oxidised and reduced species
2: Construct a half-reaction for the oxidation step & balance the no. of atoms oxidised
3: Balance O by adding H2O
4: Balance H by adding H+
5: Add to both sides of the equation the same no. of OH– as there are H+ (alkaline medium)
6: Combine H+ & OH– to form H2O
7: Cancel any extra H2O
8: Balance charges by adding electrons
9: Oxidation half-reaction equation is now balanced
10: Repeat step 2 to step 9
11: Reduction half-reaction equation is now balanced
12: Combine the two half-reaction equations to eliminate electrons
13: Overall Redox Equation is now balanced
The following video will also show you an example of how i have done so. Enjoy!
Length of video: 9.53 minutes
Direct video link: https://youtu.be/LZm9tMwiRr0
I hope you find the content easy for your understanding and if you have any questions, leave me a comment below. Feel free to share this blog post with your friends.
Subscribe to my blog to receive 2 updates per month sent to your email!
PS: Under related articles below, there are several blog post discussions and questions related to Balancing Redox Equations. You can also do a keyword search using the search box at the top right hand corner.
- 10 Steps Strategy to Balance Redox Equations in Acidic Medium Video
- 4 Steps to Solve Redox Reactions in JC A-Level H2 Chemistry
- Organic Chemistry: 3 Steps in Electrophilic Substitution (Aromatic) Reaction Mechanism
- Reaction Kinetics: Introduction
- Organic Chemistry: Markovnikov’s Rule in Electrophilic Addition of Unsymmetrical Alkenes Video