Chemical Kinetics : First Order Reaction

A first order of reaction is a reaction whose rate depends on the reactant concentration raised to 2nd power

• True

• False

The order of reaction is based from non-experimental data

• True

• False

Which of the following correctly expresses a 1st order reaction?

• $r\ =\ k\left[A\right]^2$

• $r\ =\ k\left[A\right]^3$

• $r\ =\ k\left[A\right]^{ }$

 $\ln\left[A\right]_{t\ }-\ \ln\left[A\right]_{0\ }=\ -kt$  

Following the basic rule of logarithm quotient, which of the following correctly expresses the equation above?

•  $\ln\left[A\right]_{t\ }\left[A\right]_{0\ }=\ -kt$  

•  $\ln\ \frac{\left[A\right]_t}{\left[A\right]_0}\ =\ -kt$  

•  $\ln\left[A\right]_{t\ }=\ \ln\left[A\right]_{0\ }-kt$  

The rate law expresses the reactant of the reaction

• True

• False

Which of the following represents the the unit of k in first order reaction?

• $s^{-1}$

• $s$

• $\frac{s}{M}$

Which of the following exhibits a reactant in first order reaction?

• 
• 
• 

Which of the following represent the rate of reaction as
A  $\rightarrow$  Product ?

•  $rate\ =\ \frac{\Delta\left[A\right]}{\Delta t}$  

•  $rate\ =\ -\frac{\Delta\left[A\right]}{\Delta t}$  

•  $rate\ =\ \frac{\Delta\ t}{\Delta\left[A\right]}$  

•  $rate\ =\ -\frac{\Delta\ t}{\Delta\left[A\right]}$