Question

I want the derivation of zero order reaction​

Answer 1

A reaction is said to be of zero order if its rate is independent of the concentration of the reactants, i.e., the rate is proportional to the zeroth power of the concentration of the reactants.

For the reaction

A → products

Rate = - d(A) /dt = k (A) ^0

Examples of Zero Order Reactions:

Photochemical reaction between hydrogen and chlorine:

H2(g) Cl2(g)

Hv->

2HCl(g)

This photochemical reaction is zero-order reaction. The reaction is studied by placing H2 and Cl2 gases over water. The rate of reaction is studied by nothing the rate at which water rises in the vessel due to dissociation of HCl formed. the rate of rise of water is the same as the rate of disappearance of H2 and Cl2, i.e., the concentration of the gases phase will not change with time, although the quantities will change.

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