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List of top Chemistry Questions on Chemical Kinetics asked in BITSAT

Calculate the rate constant of a reaction with a given half-life.
The rate of a reaction doubles when the temperature is increased by 10°C. What is the approximate value of the activation energy?
For a reaction A → B, the concentration of A decreases from 0.8 M to 0.2 M in 10 minutes. If the rate constant is 0.1 min⁻¹, what is the order of the reaction?
A first-order reaction is 25% complete in 30 minutes. What is its half-life?

A first-order reaction is 25% complete in 30 minutes. How much time will it take for the reaction to be 75% complete? 
 

For the reaction \( A + B \to C \), the rate law is found to be \( \text{rate} = k[A]^2[B] \). If the concentration of \( A \) is doubled and \( B \) is halved, by what factor does the rate change?