Question
Question: 75% of a first order reaction was completed in 32 minute, when was 50% of the reaction completed?...
75% of a first order reaction was completed in 32 minute, when was 50% of the reaction completed?
A
24 minute
B
16 minute
C
8 minute
D
48 minute
Answer
16 minute
Explanation
Solution
t1/2 = 1/2 × t75% = 1/2 × 32 = 16 minute.