Question

The reaction 2X → B is a zeroth order reaction. If the initial concentration of X is 0.2M, the half life is 6 h. When the initial concentration of X is 0.5 M, the time required to reach its final concentration of 0.2 M will be :
(A) 9.0 h (B) 12.0 h (C) 18.0 h (D) 7.2 h

Answer 1

Answer:

I think v is your right answer