What is rate-determining step in a reaction?

The rate determining step is the slowest step of a chemical reaction that determines the speed (rate) at which the overall reaction proceeds. The rate determining step can be compared to the neck of a funnel.

What are the steps of a chemical reaction?

A reaction step of a chemical reaction is defined as: “An elementary reaction, constituting one of the stages of a stepwise reaction in which a reaction intermediate (or, for the first step, the reactants) is converted into the next reaction intermediate (or, for the last step, the products) in the sequence of …

What is the product of the rate-determining step?

The product-determining step is the step of a chemical reaction that determines the ratio of products formed via differing reaction mechanisms that start from the same reactants. The product determining step is not rate limiting if the rate limiting step of each mechanism is the same.

What is rate determining step in chemistry class 12?

Answer: The rate-determining step is defined as the slowest step in a chemical reaction which determines the speed at which the overall reaction takes place. The rate-determining step is used for deriving the rate of the equation for a given chemical reaction.

What is the rate determining step for E1?

intermediate carbocation
In an E1 reaction, the rate determining step is the loss of the leaving group to form the intermediate carbocation. The more stable the carbocation is, the easier it is to form, and the faster the E1 reaction will be.

Why the slowest step is the rate-determining step?

Rate-determining steps are slow because of how the mechanism works, which is just another way of saying “it is what it is”, and isn’t much of an answer.

How does rate law determine reaction mechanism?

A reaction intermediate is a chemical species that is formed in one elementary step and consumed in a subsequent step. The slowest step in a reaction mechanism is known as the rate-determining step. The rate-determining step limits the overall rate and therefore determines the rate law for the overall reaction.

What are the 3 steps in any chemical reaction?

3 Steps for Balancing Chemical Equations

• 1) Write the unbalanced equation.
• 2) Balance the equation.
• 3) Indicate the states of matter of the reactants and products.
• 1) Write the unbalanced equation.
• 2) Balance the equation.
• 3) Indicate the physical states of the reactants and products.

What is the rate-determining step class 12?

CBSE NCERT Notes Class 12 Chemistry Chemical Kinetics. The slowest step during a chemical reaction determines the overall speed of a reaction towards completion is called rate determining step.

What is rate determining step explain with suitable examples?

2A + B → C + D going by two steps as follows, Here the overall rate of the reaction corresponds to the rate of the first step which is the slow step and thus the first step is called as the rate determining step of the reaction. In the above equation, the rate of the reaction depends upon the rate constant k ( only.