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CBSE Class 12-science Answered

<div>In second order reaction why the graph btwn concentration and rate will be parabola and why it will be starting from origin and will open upwards?<img src="https://images.topperlearning.com/topper/tinymce/imagemanager/files/bde816c8b604aba1fca4a9fbd7f7d3f7575d80c1525ff5.154832491465745496252727609883.jpg" alt="" /></div>
Asked by ayushi | 12 Jun, 2016, 09:03: PM
Expert Answer
Dear ayushicutiepie21@gmail.com

Thanks for asking us a question in Ask the Expert section of TopperLearning.com.

If the rate is proportional to some power of the concentration greater than one you will get parabola. In case of second order reaction rate is propotional to [A]2 . At very, very low concentrations, the rate is proportional to the substrate concentration. But as concentration increases, increasing the concentration more has less and less effect - and eventually the rate reaches a maximum.
 
 
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