NEET Chemistry Order of Reaction MCQ Question
For a reaction where the concentration of a reactant decreases from [R]0 to [R] at time t, what is the expression for the rate constant k if the reaction is first order?
k = (1/t) ln([R]0/[R])
k = (1/t) [R]0 - [R]
k = (1/t) ([R]0 - [R])
k = (1/t) [R]/[R]0
Correct Answer
Detailed Explanation
For a first-order reaction, the rate constant k is given by the equation k = (1/t) ln([R]0/[R]), as derived from the integrated rate law ln[R] = -kt + ln[R]0.
Found an issue with this question?
Related Questions
More from
Which of the following factors does NOT affect the rate of a chemical reaction?
Assertion (A): The rate constant of a first-order reaction is independent of the initial concentration of the reactants. | Reason (R): The half-life o...
Consider a potential energy diagram where the y-axis represents potential energy and the x-axis represents the reaction coordinate. Which point on the...