1
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
A first-order reaction is found to have a half-life of one second (sec). What will be the time required for $99.9 \%$ completion of the reaction?
A
0.693 sec
B
2 sec
C
10 sec
D
69.3 sec
IAT (IISER) Subjects
EXAM MAP