True or false: (a) Reduction occurs if the oxidation number of an element increases

Key Concepts

Oxidation and Reduction

Oxidation and reduction are chemical processes that involve the transfer of electrons between substances. Oxidation refers to the loss of electrons, resulting in an increase in oxidation state, while reduction involves the gain of electrons, leading to a decrease in oxidation state. These processes are interconnected and occur simultaneously in redox reactions.

Oxidation Number

The oxidation number is a theoretical charge assigned to an atom in a compound, reflecting its degree of oxidation. It helps in identifying how many electrons an atom has gained, lost, or shared during a chemical reaction. Changes in oxidation numbers are crucial for determining whether a substance is oxidized or reduced.

True or False Statements in Chemistry

In chemistry, true or false statements often require a clear understanding of definitions and principles. For example, the statement about reduction and oxidation numbers hinges on the definitions of these terms. Recognizing that an increase in oxidation number indicates oxidation, not reduction, is essential for evaluating such statements accurately.