Year: 2020
Topic: Chemical Kinetics
Time :
1.
The rate constant for a first order reaction is 4.606 x 10
-3
s
-1
, The time required to reduce 2.0g of the reactant to 0.2 g is:
(1). 200 s
(2). 500 s
(3). 1000 s
(4). 100 s