All Types of Chemical Reaction in Chemistry: There are several different types of reactions in chemistry, here are main seven types:
Table of Page Contents
1. Combination Reactions:
Combination reactions occur when two or more reactants combine to form a single product. These reactions are often exothermic (release heat), and can be represented by the general equation A + B → AB.
2. Decomposition Reactions:
Decomposition reactions are the opposite of combination reactions, where a single reactant breaks down into two or more products. These reactions are often endothermic (absorb heat), and can be represented by the general equation AB → A + B.
3. Single displacement Reactions:
In a single displacement reaction, an element in a compound is replaced by another element. These reactions can be represented by the general equation A + BC → AC + B. (single replacement reaction)
4. Double displacement Reactions:
Double displacement reaction definition: Double displacement reactions occur when the positive and negative ions of two ionic compounds switch places, forming two new compounds. These reactions can be represented by the general equation AB + CD → AD + CB. (double replacement reaction). double displacement reaction examples is AB + CD → AD + CB
5. Acid-Base Reactions:
Acid-base reactions involve the transfer of protons (H+ ions) between acids and bases. These reactions can be represented by the general equation acid + base → salt + water (neutralization reaction examples).
6. Redox Reactions:
Redox (reduction-oxidation) reactions involve the transfer of electrons between reactants. In a redox reaction, one reactant is oxidized (loses electrons) while the other is reduced (gains electrons). These reactions are important in many biological and industrial processes. They can be represented by the general equation A + B → A+ + B–.
7. Combustion Reactions:
Combustion reactions are exothermic reactions between a fuel and an oxidant (usually oxygen) that produce heat and light. These reactions are important in many industrial processes and are also the basis of many everyday phenomena, such as burning fuel for energy. They can be represented by the general equation fuel + O2 → CO2 + H2O.
8. Precipitation Reaction:
A chemical reaction involves the formation of an insoluble compounds (precipitate; solid) is called Precipitation reaction.
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The 8 primary types of chemical reactions are:
- Combination Reactions
- Decomposition Reactions
- Single displacement Reactions
- Double displacement Reactions
- Acid-base Reactions
- Redox Reactions
- Combustion Reactions
- Precipitation Reaction
My name is Pradip Sanjay W. I’m an organic chemist originally from Maharashtra, India. I have qualified UGC NET-JRF, GATE in chemical sciences and MH-SET exam for assistant professor. I’m currently pursuing my Ph.D. in organic chemistry at the Indian Institute of Technology Hyderabad, India.