CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Under the same reaction conditions, the initial concentration of 1.386 mol dm3 of a substance becomes half in 40 s and 20 s through first order and zero order kinetics, respectively.

The ratio (k1/k0 of the rate constants for first order (k1) and zero order (k0)of the reaction is


A
0.5mol 1dm3
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
1.0mol dm3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
1.5mol dm3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2.0mol 1dm3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 0.5mol 1dm3

For the first order reaction, rate constant

k1=0.693t1/2=0.69340

For zero order reaction, rate constant

k0=A02×t1/2=1.3862×20

Hence,

k1k0=0.6931.386=0.5

flag
Suggest Corrections
thumbs-up
21
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Half Life
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon