A compound decomposes according to the first order rate law with a half life period of 30 min. What will be the fraction of the remaining compound after 120 min?
A. 0.625
B. 0.0625
C. 0.25
D. 0.025
Answer:B
A compound decomposes according to the first order rate law with a half life period of 30 min. What will be the fraction of the remaining compound after 120 min?
A. 0.625 B. 0.0625 C. 0.25 D. 0.025
Explanation: k = 0.693/t1/2