KEAM 2019 Physics and Chemistry Paper

© examsiri.com
Question : 114 of 120
 
Marks: +1, -0
For a first order reaction, A(g) ® B(g) at 35°C, the volume of “A” left in reaction vessel at various times are given below. [Given data : log (5/4) = 0.096]
t / minutes   10  20  30  40 
V/ml   25  20  15.7  12.5  9.6 

What is the value of rate constant?
Go to Question: