Rate of Reaction
1. What is Rate of Reaction Meaning?
The rate of reaction is defined as the change in the concentration of any one of the reactants or products per unit of time.
2. What is Rate Law?
Rate law refers to the representation of the Rate of Reaction in terms of the concentration of Reactants where the Rate of Reaction is directly proportional to the concentration of the Reactant species each raised to some power which may or may not be equal to the coefficient of the reactants.
3. What is the Unit of Rate of Reaction?
The Unit of Rate of Reaction is molL-1s-1
4. What is the Difference between Average and Instantaneous Rate of Reaction?
Instantaneous Rate of Reaction: The rate of reaction at any instant of time is the rate of change of concentration of any one of the reactants or products at that particular instant of time.
Average Rate of Reaction: It is the change is concentration of reactant or product over a time period.
5. How is Instantaneous Rate of Reaction calculated?
The Instantaneous Rate of Reaction can be calculated by taking tangent to the curve at that particular instant of time.
6. What is Order of Reaction?
In Rate law, the sum of powers of the concentration of the reactants is called as Order of Reaction. It basically tells the Rate of Reactants is dependent on concentration of how many reactants. For Example, in Zero Order Reaction rate of reaction is independent of the concentration of reactant, in case of First Order reaction, rate is determined by concentration of one of the reactant.
7. How is Rate of Reaction dependent upon Temperature?
The Rate of Reaction get doubles if temperature is increased by 10°, however accurate dependence is given by Arrhenius Equation given by k = A -Ea/RT
8. How is the Rate of Reaction dependent upon Activation Energy?
Rate of Reaction and Activation Energy are inversely related to each other. Higher Activation Energy will lead to a lower Rate of Reaction and Vice Versa.
9. What is the Rate of Reaction Formula?
- Rate of Reaction = Decrease in the concentration of a reactant R / Time Interval
- Rate of Reaction = Increase in the concentration of a product P / Time interval
Rate of Reaction
Rate of Reaction or Reaction Rate in chemistry is defined as the speed or the rate at which a chemical reaction takes place. The rate of a Chemical Reaction is directly proportional to the increase in the concentration of a product per unit of time and to the decrease in the concentration of a reactant per unit of time. This can vary drastically. Chemical reactions proceed at extensively different speeds depending on the nature of the reacting substances, the type of chemical transformation, the temperature, and other factors.
In this article, you will understand the meaning of rate of a chemical reaction, rate of reaction order, the unit of the rate of reaction, and formulas.
Table of Content
- What is the Rate of Reaction
- Rate of Reaction Formula
- Average Rate of Reaction
- Instantaneous Rate of Reaction
- Unit of Rate of Reaction
- Factors Affecting Rate of Reaction