If a first order reaction undergoes 80 % completion in 30 minutes, then calculate the half life
Shuchi , 6 Years ago
Grade 12th pass
1 Answers
Arun
Last Activity: 6 Years ago
Order of reaction = 1Let the initial concentration be [A]0 = 100[A]t = 100 -80 = 20Rate law for first order rectionK = (2.303/t)log[A]0/[A]tSubstituting the values we getK = 0.05365Andt1/2 = 0.693/K = 12.91 minuts