JEE Main & Advanced
Sample Paper
JEE Main - Mock Test - 30
question_answer
A substance ?A? decomposes by a first order reaction starting initially with \[\left[ A \right] = 2.00 M\] and after 200 min, [A] becomes 0.15 M. What will be the half-life \[\,({{t}_{1/2}})\] of for this reaction in minutes?