Chemical Reaction Engineering MCQ Questions & Answers | Chemical Engineering

A. Whole surface of the catalyst does not have the same activity for adsorption and there is attraction between the adsorbed molecule

B. Whole surface of the catalyst is essentially uniform and the adsorbed molecule has no effect on the rate of adsorption per site

C. All the adsorption does not take place by the same mechanism

D. Extent of adsorption is more than one complete monomolecular layer on the surface

A. $${\left( {\frac{{{{\text{C}}_{\text{A}}}}}{2}} \right)^{\text{n}}}$$

B. $${\left( {\frac{1}{2}} \right)^{\text{n}}} \cdot {{\text{C}}_{\text{A}}}$$

C. $${\left( {\frac{{{{\text{C}}_{\text{A}}}}}{2}} \right)^{\frac{1}{{\text{n}}}}}$$

D. $${\left( {{{\text{C}}_{\text{A}}}} \right)^{\frac{1}{{2{\text{n}}}}}}$$

A. A catalyst does not change AH of the reaction

B. A catalyst changes the equilibrium point

C. Law of mass action was suggested by Le-Chatelier

D. The difference between the energy of reactants and that of the products is the activation energy

A. Higher

B. Much higher

C. Lower

D. Much lower

A. Increases

B. Decreases

C. Remains unaffected

D. Unpredictable from the data

A. More than

B. Less than

C. Equal to

D. Either B or C

A. Maximum at the inlet of the reactor

B. Maximum at the exit of the reactor

C. Maximum at the centre of the reactor

D. Constant throughout the reactor

A. Non-catalytic homogeneous

B. Non-catalytic heterogeneous

C. Catalytic homogenous

D. Catalytic heterogeneous

A. 4

B. $$\frac{1}{4}$$

C. 16

D. 2

A. Visible radiation provides the necessary activation energy in photochemical reactions

B. The order and molecularity of a complex reaction may not be the same

C. For a second order reaction, the slope of the graph/plot between rate and (concentration) is equal to the rate constant (k)

D. Molecularity of the reaction is always a whole number greater than zero