The rate of a first order reaction is $1.5\times 10^{-2} mol L^{-1} min^ {–1}$at 0.5 M concentration of the reactant. The half life of the reaction is :-

Question

( A ) 0.383 min
( B ) 8.73 min
( C ) 23. 1min
( D ) 7.53 min