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Chemical Reaction

A reactor is generally termed as an autoclave, when it is a_____________________?

August 23, 2021February 22, 2019 by admin
A reactor is generally termed as an autoclave, when it is a_____________________?

A. High pressure batch reactor
B. Atmospheric pressure tank reactor
C. High pressure tubular reactor
D. Atmospheric pressure CSTR

Categories Chemical Reaction

For an autocatalytic reactor, the suitable reactor set up is__________________?

August 23, 2021February 22, 2019 by admin
For an autocatalytic reactor, the suitable reactor set up is__________________?

A. P.F. reactors in series
B. CSTR in series
C. CSTR followed by P.F. reactor
D. P.F. reactor followed by CSTR

Categories Chemical Reaction

Which of the following factors control the design of a fluid-solid reactor ?

August 23, 2021February 22, 2019 by admin
Which of the following factors control the design of a fluid-solid reactor ?

A. Reaction kinetics for single particle
B. Size distribution of solids being treated
C. Flow patterns of solids and fluid in the reactor
D. All A., B. and C.

Categories Chemical Reaction

______________ explains the mechanism of catalysis?

August 23, 2021February 22, 2019 by admin
______________ explains the mechanism of catalysis?

A. Activated complex theory
B. Collision theory
C. Thermodynamics
D. None of these

Categories Chemical Reaction

If Thiele modulus is ________________, then the pore diffusion resistance in a catalyst may be considered as negligible?

August 23, 2021February 22, 2019 by admin
If Thiele modulus is ________________, then the pore diffusion resistance in a catalyst may be considered as negligible?

A. 0
B. ∞
C. < 0.5
D. > 0.5

Categories Chemical Reaction

Rate of a chemical reaction is not influenced by the__________________?

August 23, 2021February 22, 2019 by admin
Rate of a chemical reaction is not influenced by the__________________?

A. Catalyst
B. Temperature
C. Reactants concentration
D. Number of molecules of reactants taking part in a reaction

Categories Chemical Reaction

The irreversible reaction is a special case of reversible reaction, if the________________?

August 23, 2021February 22, 2019 by admin
The irreversible reaction is a special case of reversible reaction, if the________________?

A. Equilibrium constant is 1
B. Conversion of the reactant at equilibrium condition is zero
C. Reactant concentration at equilibrium condition is zero
D. All A., B. and C.

Categories Chemical Reaction

For multiple reactions, the flow pattern within the vessel affects the ____________________?

August 23, 2021February 22, 2019 by admin
For multiple reactions, the flow pattern within the vessel affects the ____________________?

A. Size requirement
B. Distribution of reaction products
C. Both A. and B.
D. Neither A. nor B.

Categories Chemical Reaction

A catalyst is said to be a negative catalyst, if it ___________________?

August 23, 2021February 22, 2019 by admin
A catalyst is said to be a negative catalyst, if it ___________________?

A. Retards the rate of reaction
B. Reduces the value of equilibrium constant
C. Does not initiate the reaction
D. All A., B. and C.

Categories Chemical Reaction

The following half life data are available for the irreversible liquid phase reaction A → products. The overall order of reaction is __________________?

August 23, 2021February 22, 2019 by admin
The following half life data are available for the irreversible liquid phase reaction A → products. The overall order of reaction is __________________?

A. 0.5
B. 1
C. 1.5
D. 2

Categories Chemical Reaction
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