Is molecularity become zero?

Is molecularity become zero?

No, the molecularity can never be zero or a fractional number as it shows as it shows the number of reactants taking part in a reaction , which can never be zero.

Is there any reaction which has zero molecularity?

From experiments we know that zero order reactions are possible but molecularity can never be zero as ′(a+b)′ can never be zero. Hence, zero molecularity is not possible.

Can molecularity of a reaction be zero or fractional?

The value of molecularity cannot be zero, negative, fractional, infinite, and imaginary. So, it can only be positive integer. The value of molecularity cannot be greater than 3 as more than three molecules may not mutually collide or come closer during the course of the chemical reaction.

What is wrong about molecularity of a reaction?

(i) Molecularity of a reaction cannot be fractional. (ii) Molecularity of a reaction cannot be more than three. (iii) Molecularity of a reaction cannot be obtained from balanced chemical equation. (iv) Molecularity of a reaction may not be equal to the order of the reaction.

Why is molecularity not fractional?

Molecularity of a reaction is the number of reacting species (atoms, ions or molecules) taking part in an elementary reaction. So, molecularity of a reaction is always a positive integer, it can not be negative or a fraction.

Why molecularity of a reaction Cannot exceed 3 can molecularity of a reaction be zero or fractional?

Molecularity of the reaction is the number of molecules taking part in an elementary step For this we require at east a single molecule leading to the value of minimum molecularity of one. Hence molecularity of any reacton can never be equal to zero.

Can order of a reaction be zero?

Zero-order reactions are typically found when a material that is required for the reaction to proceed, such as a surface or a catalyst, is saturated by the reactants. A reaction is zero-order if concentration data is plotted versus time and the result is a straight line.

What is invalid for molecularity?

Molecularity of a reaction cannot be fractional. An elementary reaction is a single step reaction with single transition state in which reactant species react directly to form the products. For an elementary reaction, molecularity and order of reaction are same.

Why molecularity is not defined in complex reactions?

Molecularity of a reaction can be defined only for an elementary reaction because complex reaction does not take place in one single step and it is almost impossible for all the total molecules of the reactants to be in a state of encounter simultaneously .

Are all zero order reaction complex?

Ammonia decompostion is a complex reaction, and the reaction rate is not going to increase if you double the concentration of ammonia that you start with. However, zero order reactions do not need to be complex. They can be simple.

What would happen if the molecularity of a compound is zero?

There would be no reaction if molecularity is zero because e for a reaction to take place you first need participants (reactants) who come together to cause the reaction.zero molecularity means no reactants hence no reaction. Molecularity can be defined as the number of reacting molecules which combines to give a product .

What is the molecularity of a single reaction?

Molecularity is defined for a single step or elementary reaction only. It is equal to number of molecules taking part simultaneously in single step of reaction. It cannot be zero because, it would mean there is no reaction.

What happens if the Order of a reaction is zero?

The order of the reaction may indeed be found to be zero for some component, which means that (as long as there is some of it present) the reaction will just chug along at the same rate no matter how much or how little of the component you’ve got.

What is the molecularity of the slowest step in a reaction?

Molecularity of the slowest step is same as the order of the reaction. For complex reactions, order is given by slowest step. Author of this website, Mrs Shilpi Nagpal is MSc (Hons, Chemistry) and BSc (Hons, Chemistry) from Delhi University, B.Ed (I. P. University) and has many years of experience in teaching.