Chemical Kinetics Question 106
Question: A first order reaction which is 30% complete in 30 minutes has a half-life period of [AIIMS 1998]
Options:
A) 24.2 min
B) 58.2 min
C) 102.2 min
D) 120.2 min
Show Answer
Answer:
Correct Answer: B
Solution:
$ k=\frac{2.303}{t}\log \frac{a}{a-x} $
$ \frac{0.693}{T}=\frac{2.303}{t}\log \frac{100}{100-30} $
$ \therefore T=58.2 $ min.
