NEETChemistry-Chemical Kinetics
NEET Chemistry First Order Reactions MCQ Question
Type: MCQ-conceptual-Medium-Class 12
A first order reaction is 50% completed in 1.26 × 10¹⁴ s. How much time would it take for 100% completion?
A
26 × 10¹⁵ s
B
52 × 10¹⁴ s
C
52 × 10¹⁵ s
D
Infinite
Correct Answer
Option D
Detailed Explanation
A first order reaction never reaches 100% completion as it asymptotically approaches completion.
Found an issue with this question?
Related Questions
More from
Which of the following factors does NOT affect the rate of a chemical reaction?
Rate of ReactionChemistry
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...
Rate of ReactionChemistry
Consider a potential energy diagram where the y-axis represents potential energy and the x-axis represents the reaction coordinate. Which point on the...
Activation EnergyChemistry