What is the Difference Between Double Displacement and Double Decomposition Reaction?
🆚 Go to Comparative Table 🆚The key difference between double displacement and double decomposition reactions lies in the solubility of the reactants and the products formed. Both reactions involve the exchange of ions between two ionic compounds, but there are some differences:
Double Displacement Reaction:
- Occurs when the positive and negative ions of two ionic compounds switch places to form two entirely new compounds in an aqueous solution.
- The reaction is represented by the general equation: AB + CD = AD + BC.
- There are two types of double displacement reactions: precipitation and neutralization.
- In a precipitation reaction, one of the compounds formed is insoluble in the solvent.
Double Decomposition Reaction:
- A type of double displacement reaction where one or more reactants are insoluble in the solvent.
- Involves the exchange of ions between two ionic compounds, with one or more products being insoluble in the solvent.
In summary, the main difference between double displacement and double decomposition reactions is that in a double decomposition reaction, one or more of the reactants do not dissolve in the solvent. The term "double decomposition" is an older term that has been largely replaced by "double displacement".
Comparative Table: Double Displacement vs Double Decomposition Reaction
The terms "double displacement" and "double decomposition" reactions are often used interchangeably to describe the same type of chemical reaction, but they have different origins. The key difference between the two is that "double displacement" is the preferred term today, while "double decomposition" is an older term that may still be used in some cases.
Here is a comparison table of double displacement and double decomposition reactions:
| Feature | Double Displacement Reaction | Double Decomposition Reaction |
|---|---|---|
| Terminology | Preferred term in modern chemistry | Older term, still used in some cases |
| Reaction Type | Chemical reaction in which the components of two reactants replace each other to form new products | A specific type of double displacement reaction, often used when one or more reactants are insoluble in the solvent |
| Products | Typically produces a precipitate | Produces multiple products from a single reactant |
Both double displacement and double decomposition reactions involve the exchange of cations or anions between two ionic compounds. In a double displacement reaction, the cation and anion of each reactant switch places, resulting in the formation of new compounds. In a double decomposition reaction, one reactant decomposes into multiple products, which can then react with the other reactant to form new compounds.
- Single Displacement vs Double Displacement Reaction
- Combination vs Decomposition Reaction
- Double Displacement vs Acid Base Reactions
- Synthesis vs Decomposition
- Decomposition vs Combustion
- Synthesis Reaction vs Dissociation Reaction
- Composition vs Reaction Stoichiometry
- Synthesis Reaction vs Substitution Reaction
- Elementary vs Complex Reaction
- Addition vs Substitution Reaction
- Elimination vs Substitution Reaction
- Oxidation Reaction vs Reduction Reaction
- Intramolecular Redox vs Disproportionate Redox Reaction
- Homogeneous vs Heterogeneous Reactions
- Dissolution vs Disintegration
- Hydrolysis vs Dehydration Synthesis
- Chemical vs Physical Reaction
- Dissociation vs Solvation
- Heat of Solution vs Heat of Reaction