Q. When initial concentration of the reactant is doubled, the half-life period of a zero order reaction
A) is tripled
B) is doubled
C) is halved
D) remains unchanged
Explanation
[Solution] For zero order, $t_{1/2} = [A]_0/2k$, so doubling $[A]_0$ doubles the half-life. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.