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This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Reaction Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which theory is the basis for Arrhenius equation? |
A. | Collision theory |
B. | Kinetic theory of gases |
C. | Ideal gas law |
D. | Charles and Boyles law |
Answer» C. Ideal gas law | |
2. |
For the reaction -rA = ( frac{1670[A][Po]}{6+CA} frac{kmol}{ml.hr} ) write the units for constants 6 and 1670. |
A. | kmol/ml and 1/hr |
B. | 1/hr and 1/hr |
C. | kmol and kmol |
D. | data insufficient |
Answer» B. 1/hr and 1/hr | |
3. |
The reaction rate of a bimolecular reaction at 300K is 10 times the reaction rate at 150K. Calculate the activation energy using collision theory. |
A. | 4928 J/mol |
B. | 5164 J/mol |
C. | 3281 J/mol |
D. | 1296 J/mol |
Answer» B. 5164 J/mol | |
4. |
Value of m to obtain the collision theory relation for temperature dependency of rate constant is ________ |
A. | 1 |
B. | 0 |
C. | -1 |
D. | 0.5 |
Answer» E. | |
5. |
Temperature dependence of rate constant according to transition state theory is ______ |
A. | k=ko (e^{- frac{E}{RT}} ) |
B. | k= (e^{- frac{E}{RT}} ) |
C. | k=koT (e^{- frac{E}{RT}} ) |
D. | k=ko (e^{- frac{1}{RT}} ) |
Answer» D. k=ko (e^{- frac{1}{RT}} ) | |
6. |
Arrhenius equation to determine the activation energy. |
A. | ln u2061 (( frac{k1}{k2}) = frac{E}{R} ( frac{1}{T2}- frac{1}{T1}) ) |
B. | ln u2061 (( frac{k1}{k2}) = frac{E}{R} ( frac{1}{T2}+ frac{1}{T1}) ) |
C. | ln u2061 (( frac{k1}{k2}) = - frac{E}{R} ( frac{1}{T2}- frac{1}{T1}) ) |
D. | ln u2061 (( frac{k1}{k2}) = frac{E}{R} ( frac{T1}{T2}) ) |
Answer» B. ln u2061 (( frac{k1}{k2}) = frac{E}{R} ( frac{1}{T2}+ frac{1}{T1}) ) | |
7. |
The slope of the line in the graph gives the ___________ |
A. | Activation energy |
B. | Rate constant |
C. | Frequency factor |
D. | Insufficient data |
Answer» B. Rate constant | |
8. |
Arrhenius first suggested the temperature dependence of the rate constant. |
A. | True |
B. | False |
Answer» B. False | |
9. |
Hydrogenation of oil is an example of ___________ reactor |
A. | Homogeneous |
B. | Heterogeneous |
C. | Autocatalytic |
D. | Insufficient data |
Answer» C. Autocatalytic | |