Chemical Kinetics Question 244
Question: The temperature coefficient for reaction in which food deteriorates is 2. Then food deteriorates …… times as rapidly at $ 25^{o}C $ as it does at $ 5^{o}C $
Options:
A) Two
B) Four
C) Six
D) Twenty
Show Answer
Answer:
Correct Answer: B
Solution:
$ \frac{K_{t}+10}{K_{t}}=\frac{r_{t}+10}{r_{t}}=2 $ . For an increase of temperature to $ 20{}^\circ C $ i.e. 2 times, the rate increase by $ 2^{2} $ times, i.e. 4 times.
