The effectiveness factor for large value of Thiele modulus [L√(K/D1)] of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm2/second) ?

Related Mcqs:

A catalyst in a chemical reaction____________________?

A. Decreases the activation energy B. Alters the reaction mechanism C. Increases the frequency of collisions of reacting species D. All A., B. and C....

Space time in flow reactor is____________________?

A. Usually equal to the residence time B. The reciprocal of the space velocity C. A measure of its capacity D. Both A. and B....

The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line ?

A. XA Vs . η B. XA Vs ln η C. XA/(1 – XA)Vs η D. XA(1 – XA)Vs η...

Differential method for analysing the kinetic data is used ___________________?

A. For testing complicated mechanisms B. When the data are scattered C. When rate expressions are very simple D. None of these...

Equilibrium of a chemical reaction as viewed by kinetics is a ______________ state?

A. Dynamic steady B. Static steady C. Dynamic unsteady D. None of these...