For a complex reaction `A overset(k) rarr `products
`E_(a1)=180kJ //mol e,E_(a2)=80kJ//mol ,E_(a3)=50kJ//mol`
Overall rate constant `k` is related to individual rate constant by the equation `k=((k_(1)k_(2))/(k_(3)))^(2//3)`. Activation energy `( kJ//mol )` for the overall reaction is `:`
a) 100
b) 43.44
c) 150
d) 140

Options

A. 100
B. 43.44
C. 150
D. 140

Answer

D