Chemical Kinetics Question 193
Question: Which equation is correct for first order reactions [MP PMT 2003]
Options:
A) $ {t_{1/2}}\propto {C^{-1}} $
B) $ {t_{1/2}}\propto C $
C) $ {t_{1/2}}\propto C^{0} $
D) $ {t_{1/2}}\propto {C^{1/2}} $
Show Answer
Answer:
Correct Answer: C
Solution:
The relation between half - life period and initial concentration for a nth order reaction is given by $ {t_{1/2}}\propto \frac{1}{{C^{n-1}}} $ for first order reaction $ (n=1) $ . $ {t_{1/2}}\propto \frac{1}{{C^{1-1}}} $ or $ {t_{1/2}}\propto C^{0} $ .
