GK Question

science hard true_false

True or False: The half-life of a first-order reaction is independent of initial concentration.

  1. True
  2. False

Answer: True

t₁/₂ = 0.693/k for first-order reactions. Unlike zero/second-order, it doesn't depend on [A]₀. Useful for radioactive decay calculations. [[NCERT Chemistry Class 12]]

Topic Chemistry - Chemical Kinetics
Exam Relevance UPSC CSE, SSC Scientific Assistant, CSIR NET