Classifying Chemical Reactions

Front

What is a chemical reaction?

Back

A process in which substances (reactants) are transformed into different substances (products) through the breaking and forming of chemical bonds.

Front

What are the four main types of chemical reactions?

Back

1. Synthesis 2. Decomposition 3. Single Replacement 4. Double Replacement

Front

What is a synthesis reaction?

Back

A type of reaction where two or more reactants combine to form a single product. Example: Na + Br₂ → NaBr.

Front

What is a decomposition reaction?

Back

A reaction where a single compound breaks down into two or more simpler products. Example: KClO₃ → KCl + O₂.

Front

What is a single replacement reaction?

Back

A reaction where one element replaces another in a compound. Example: A + BC → B + AC.

Front

What is a double replacement reaction?

Back

A reaction where the anions and cations of two different compounds exchange places, forming two new compounds. Example: AB + CD → AD + CB.

Front

What is the generic equation for a double replacement reaction?

Back

AB + CD → AD + CB.

Front

What is an example of a single replacement reaction?

Back

Zn + 2HCl → ZnCl₂ + H₂.

Front

What is an example of a double replacement reaction?

Back

FeS + 2HCl → H₂S + FeCl₂.

Front

What is the difference between synthesis and decomposition reactions?

Back

Synthesis reactions combine reactants to form a single product, while decomposition reactions break down a single compound into multiple products.