Question

In the first order reaction, 75% of the reactant
disappeared in 1.388 h. Calculate the rate constant
of the reaction :-
(1) 1 5-1
(2) 2.8 x 1045-1
(3) 17.2 x 10-35-1
(4) 1.8 x 10-3 3-1

Answer 1

Answer:

3

Explanation: