Dear student,
A second-order reaction depends on the concentrations of one second-order reactant, or two first-order reactants.
For a second order reaction, its reaction rate is given by:
 or  or 
In several popular kinetics books, the definition of the rate law for second-order reactions is .  Conflating the 2 inside the constant for the first, derivative, form  will only make it required in the second, integrated form.
 
















Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.
All the best.
Win exciting gifts by                                                                                                                answering     the             questions       on                       Discussion                  Forum.      So                help                          discuss              any                             query      on                      askiitians            forum      and                 become     an               Elite                          Expert            League                               askiitian.
Now you score 5+15 POINTS by uploading your Pic and Downloading the Askiitians Toolbar  respectively : Click here to download the toolbar..
 
Askiitians Expert
Sagar Singh
B.Tech, IIT Delhi