CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

Under the same reaction conditions, initial concentration of 1.386 mol dm3 of a substance becomes half in 40 s amd 20 s through first order and zero order kinetics respectively. Ratio (k1k0) of the rate constants for first order (k1) and zero order (k0) of the reaction is:


  1. 1.5 mol dm3

  2. 1.0 mol dm3

  3. 2.0 mol1 dm3

  4. 0.5 mol1 dm3


Solution

The correct option is D

0.5 mol1 dm3


For first order reaction t1/2=In 2k1=40 s            (i)
For zero order reaction t1/2=[A]02k0=20 s            (ii)
Eq.(ii)/(i)=12=[A]02k0×k1In 2
k1k0=In 2[A]0=0.6931.386=0.5

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
View More


People also searched for
View More



footer-image