Question Set

1. A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?





Ask Your Doubts Here

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

Show Similar Question And Answers
QA->A statement followed by two assumptions I and II is given. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You are to decide which of the given assumptions can definitely be drawn from the given statement. Indicate which one of the four given alternatives is correct ? Statement : If more encouragement is given to Sports, Indians will win more gold medals at the Olympic Games. Assumptions : I. Indians do not win gold medals. II. More enc....
QA->Out of 900 reported species of living gymnosperms; conifers are represented by about 500 species; About 2;50;000 species of angiosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe; Asia; North America and mountains such as Himalayas are wooded with?....
QA->A catalyst increases the rate of a chemical reaction by?....
QA->What is the transfer of energy through matter from particle to particle?....
QA->A, B, C, D, E and F are sitting in six chairs regularly placed around a round table. It is observed that A is between D and F, C is opposite to D, D and E are not on neighboring chairs. Which one of the following must be true ?....
MCQ->A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?....
MCQ->In a chemical reaction, repesented by, , it is observed that the (i) rate of reaction increases by a factor of 4 on doubling the concentration of the reactant. (ii) rate of reaction increases by a factor of 9 on trebling the concentration of the reactant. Then the rate of the reaction is proportional to(where, CA = contentration of the reactant)....
MCQ->If Damkohler number, NDa >>1, the reaction rate is much greater than the mass transfer rate and the overall reaction is controlled by the rate of mass transfer. In this case, the enzyme reaction can be described as (where Csb and Cs are the substrate concentration in bulk of solution and at the immobilized enzyme surface respectively. ks mass transfer coefficient, and a is the surface area of an immobilized enzyme particles)....
MCQ->For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the....
MCQ->Rate constant for a first order reaction does not depend upon reaction time, extent of reaction and the initial concentration of reactants ; but it is a function of reaction temperature. In a chemical reaction, the time required to reduce the concentration of reactant from 100 gm moles/litre to 50 gm moles/litre is same as that required to reduce it from 2 gm moles/litre to 1 gm mole/litre in the same volume. Then the order of this reaction is....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution