JEE Main 201911 Jan, Evening shiftChemistryMediumChemical Kinetics62× since 2002
The reaction 2X B is a zeroth order reaction. If the initial concentration of X is 0.2 M, 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: