Chemistry - Chemical Kinetics Question with Solution | TestHub

For reaction $\mathrm{aA}⟶x\mathrm{P}$, when $[\mathrm{A}]=2.2\mathrm{mM}$, the rate was found to be $2.4\mathrm{m}{\mathrm{Ms}}^{-1}$. On reducing concentration of A to half, the rate changes to $0.6\mathrm{m}{\mathrm{Ms}}^{-1}$. The order of reaction with respect to A is: