JEE Main 202120 Jul, Evening shiftChemistryMediumChemical Kinetics62× since 2002
In the above first order reaction the concentration of PCl₅ reduces from initial concentration 50 mol L^1 to 10 mol L^1 in 120 minutes at 300 K. The rate constant for the reaction at 300 K is x 10^2 min^1. The value of x is __________. [Given log5 = 0.6989]