What Are Different Types Of Chemical Reactions – A chemical reaction is a process or chemical change that transforms one set of substances (reactants) into another set of substances (products). This process involves breaking chemical bonds between atoms and forming new bonds, so the number and types of atoms are the same for both reactants and products. Chemical changes are described by chemical equations. There are many types of chemical reactions. Here’s a look at the four main types of chemical reactions, as well as additional major reaction types.

Keep in mind, there are different names for response types. There are four main types of chemical reactions:

What Are Different Types Of Chemical Reactions

However, there are many other types of reactions as well. This table summarizes some of the key points of the main types of chemical reactions:

How To Classify Chemical Reactions For Ap® Chemistry

In a synthesis, direct combination, or composition reaction, two (or more) reactants combine to form a more complex product. The general form of the reaction is:

In a chemical decomposition or analysis reaction a compound is broken or disintegrated into smaller pieces. The general form of the reaction is:

Single replacement, single displacement or substitution reaction occurs when one element is displaced from a reactant to form a compound with another element. The general form of the reaction is:

An example of a single replacement reaction is when zinc combines with hydrochloric acid to form zinc chloride and hydrogen. Zinc replaces or displaces hydrogen in hydrochloric acid:

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When the reactant cation and anion “swap partners” the reaction is called a double replacement, double displacement, or metathesis reaction. The general form of double replacement reaction is:

An example of a double replacement reaction is the reaction between sodium chloride and silver nitrate to obtain sodium nitrate and silver chloride:

The combustion reaction is the reaction between fuel and oxygen to form one or more oxides. Because many fuels are carbon based, carbon dioxide (CO

Acid-base reaction is a type of double replacement reaction that occurs between an acid and a base. h

Common Types Of Chemical Reactions

Redox means reduction and oxidation. Both processes occur simultaneously. This type of reaction involves electron transfer and change in oxidation number between the reactants. An example is the lack of I

In isomerization reaction, the structural arrangement of a compound changes but its net atomic structure remains the same.

A hydrolysis reaction is a reaction in which one or more water molecules are added to a substance. In some cases, this causes both the substance and the water molecules to split. The general form of the hydrolysis reaction is:

Technically, there are hundreds or thousands of different types of chemical reactions. However, chemistry students usually learn to classify them as 4 main types, 5 main types, or 6 main types. The four main types of chemical reactions are synthesis, decomposition, single displacement, and double displacement. But, remember, some people use different names for these reactions. Other important types of reactions are combustion, acid-base, redox reactions, and condensation reactions. This becomes even more complicated in organic chemistry, where many reactions have special names. However, these other types of reactions also fit into one of the four main categories!

Chemical Reactions: Types, Balancing, Factors, Rates

Practice identifying the four main types of chemical reactions with this worksheet. Download and print the PDF worksheet and answer key.

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