A first order reaction is 75% completed in 100 seconds find the value of half life period and rate constant
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Order of reaction = 1
Let the initial concentration be [A]0 = 100
[A]t = 100 -75 = 25
Rate law for first order rection
K = (2.303/t)log[A]0/[A]t
Substituting the values we get
K = 0.0231
And
t1/2 = 0.693/K = 30 minuts
Let the initial concentration be [A]0 = 100
[A]t = 100 -75 = 25
Rate law for first order rection
K = (2.303/t)log[A]0/[A]t
Substituting the values we get
K = 0.0231
And
t1/2 = 0.693/K = 30 minuts
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