Question

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

Answer 1

Answer:

d

Explanation:

for 1st order reaction time=1/k ln(initial conc/final conc)

Answer 2

Answer:

The answer is attached.......