Average and instantaneous theoretical rate | Experimental rate expression | Order of reaction and Unit of rate constant

For a first order reaction, units of rate constant are

The average rate and instantaneous rate are the same.

The unit of second order reaction rate constant is

The unit of rate of reaction and rate of rate constant are same for a :

Significance OF Order OF Reaction || Expression Determination OF Order OF Reaction and unit OF Rate Constant

Unit OF Rate Constant || Experimental Determination OF Order OF Reaction || Kinetics OF Zero Order Reactions

What do you understand by the rate law and rate constant of a reaction? Identify the order of a reaction if the units of its rate constant are :

Why instantaneous rate is preferred over average rate?