Chemical Kinetics Question 153
Question: For the first order reaction with rate constant $ k $ , which expression gives the half-life period - (Initial concentration $ =a $ ) [MP PET/PMT 1998]
Options:
A) $ \frac{1^{2}}{k} $
B) $ \frac{1}{ka} $
C) $ \frac{0.693}{k} $
D) $ \frac{3}{2ka^{2}} $
Show Answer
Answer:
Correct Answer: C
Solution:
$ {t_{1/2}}=\frac{0.693}{k} $
