Question

For the reaction: $A+B\to product$,
$\frac{dx}{dt}=k\left[A{]}^a\right[B{]}^b$ if $\frac{dx}{dt}=k$, then the order of the reaction is:

• A. $4$
• B. $2$
• C. $1$
• D. $0$

Answer 1

The correct option is D $0$

As the rate law does not have any concentration species so order is zero.