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Molecularity and RDS
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Molecularity and RDS
Chemistry HL
Dhvani
Chemical Kinetics
Molecularity
Molecularity
Molecularity represents the number of molecules or atoms involved as reactants in the elementary reaction.
Molecularity represents the number of molecules or atoms involved as reactants in the elementary reaction.
Elementary Reaction
Elementary Reaction
In a Reaction Mechanism, an individual step is called an Elementary Reaction.
Reaction Mechanism
Reaction Mechanism is a sequence of reaction steps outlining the reaction pathway from reactants to the formation of products.
Number of Molecules
Number of molecules in each elementary reaction
The number of molecules involved in an elementary reaction
- Unimolecular: Single molecule
- Bimolecular: Two molecules or atoms involved in collision
- Termolecular: Three molecules or atoms involved in collision
Rate Determining Step
The rate determining step is the slowest step of a chemical reaction that determines the speed (rate) at which the overall reaction proceeds.
Rate Determining Step (RDS)
The rate determining step is the slowest step of a chemical reaction that determines the speed (rate) at which the overall reaction proceeds.
RDS
The rate determining step is the slowest step of a chemical reaction that determines the speed (rate) at which the overall reaction proceeds.
rate of overall reaction = rate of the slow step