2KClO3 - 2KCl + 3O2 is formed ! now which kind of reaction is this ? and how can i say it is that particular reaction took place here?
The given chemical equation you provided can be analyzed to determine the type of reaction that occurred.
The equation 2KClO3 - 2KCl + 3O2 represents the decomposition of potassium chlorate (KClO3) into potassium chloride (KCl) and oxygen gas (O2). This reaction is classified as a decomposition reaction.
Decomposition reactions occur when a single reactant breaks down into two or more simpler products. In this case, a single compound (KClO3) decomposes into two simpler compounds (KCl and O2).
To identify the type of reaction specifically, you can look for the general patterns and characteristics of decomposition reactions. These patterns include:
1. A single reactant breaking down into two or more products.
2. No other reactants involved.
3. An energy source, such as heat or light, may be required to initiate the reaction.
In the given equation, we can see that the reactant, KClO3, is breaking down into two products, KCl and O2, satisfying the first characteristic of a decomposition reaction. Additionally, there are no other reactants involved, and heat can be employed as an energy source to initiate the reaction. Therefore, based on these observations, we can confidently say that a decomposition reaction took place in this case.
Hint:
the four major types of chemical reactions are:
decomposition
synthesis
substitution or single substitution
methathesis or double substition
For further hints, justifications and detailed explanations, review your class notes, or see:
http://www2.ucdsb.on.ca/tiss/stretton/chem1/stoich2.html