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Classical Idea Of Redox Reactions - Oxidation Reduction Reactions
Chapter Name : Redox Reactions
Sub Topic Code : 102_11_08_01_01
Topic Name : Classical Idea Of Redox Reactions - Oxidation Reduction Reactions
Sub Topic Name : Classical Idea Of Redox Reactions - Oxidation Reduction Reactions
Introduction

Redox reactions include all chemical reactions in which atoms have their oxidation state changed.

Pre-Requisites:

Redox reaction, oxidation, reduction

Activity:

Electroplating: The process of electroplating uses redox reactions to coat objects with a thin layer of a material, as in chrome-plated automotive parts.

Real Life Question:

What is galvanization?

Key Words / FlashCards
Key Words Definitions (pref. in our own words)
Oxidation Oxidation is the loss of electrons or an increase in oxidation state by a molecule, atom, or ion.
Reduction Reduction is the gain of electrons or a decrease in oxidation state by a molecule, atom, or ion.
Learning aids / Gadgets
Gadgets How it can be used
Daniell cell The Daniell cell was invented in 1836 by John Frederic Daniell, a British chemist and meteorologist.
Real life uses :

• Protecting metals from corrosion • Purifying metals (e.g. Al, Na, Li)

Places to visit :

Chemistry lab.

Practical examples around us
Examples Explainations
Cellular respiration Cellular respiration, for instance, is the oxidation of glucose (C6H12O6) to CO2 and the reduction of oxygen to water. The summary equation for cell respiration is: C6H12O6 + 6 O2 ? 6 CO2 + 6 H2O
What you learn in Theory:

• The term “oxidation” is defined as the addition of oxygen/electronegative element to a substance or removal of hydrogen/ electropo. • The term “Reduction” is defined as the removal of oxygen/electronegative element from a substance or addition of hydrogen/ electropositive element to a substance.

What you learn in Practice:

The redox reactions are a family of reactions that are concerned with the transfer of electrons between species. The term comes from the two concepts of reduction and oxidation.

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