Question

The form of rate law for a reaction is expressed as 

Rate = k[Cl₂] [NO]²

Find out the order of reaction with respect to Cl₂, with respect to NO and also the overall order of the reaction.

Answer 1

The given rate law is Rate = k[Cl₂] [NO]²

Order with respect to Cl₂:

The exponent of Cl₂ is 1

∴ Order = 1

Order with respect to NO:

The exponent of NO is 2

∴ Order = 2

Overall order of the reaction:

Overall order = 1 + 2

Overall order = 3