JEE Main 2020 Chemistry question
If 75% of a first order reaction was completed in 90 minutes, 60% of the same reaction would be completed in approximately (in minutes) . (Take : log 2 = 0.30 ; log 2.5 = 0.40)
Answer: 60
If 75% of a first order reaction was completed in 90 minutes, 60% of the same reaction would be completed in approximately (in minutes) . (Take : log 2 = 0.30 ; log 2.5 = 0.40)