If concentration of a first order reaction is increased by 'x' times then rate constant (k) becomes a) e-k/x b) x/k c) k d) ek/x Share with your friends Share 0 Yasodharan answered this Dear Student, The computation are expressed below, ln [Ao][A]=ktwhen increased by x,ln (x) = kt ⇒ by taking anti-ln we get, ekxHence the asnwer is Option (D) Regards. -1 View Full Answer