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This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.
1. |
The unit L mol-1 s-1 is the unit of rate constant for the reaction of the order is? |
A. | 0 |
B. | 1 |
C. | 0.5 |
D. | 2 |
Answer» D. 2 | |
2. |
Order of a reaction does not give any information about the reaction mechanism. |
A. | True |
B. | False |
Answer» B. False | |
3. |
What will be the order of reaction if the rate law is given by ___________Rate = k [SO2]1 [SO3]-0.5 |
A. | 1 |
B. | 0.5 |
C. | 2 |
D. | -0.5 |
Answer» C. 2 | |
4. |
The unit of rate constant for the second order reaction will be ___________ |
A. | s-1 |
B. | L mol-1 s-1 |
C. | Mol0.5 L-0.5 s-1 |
D. | Mol L-1 s-1 |
Answer» D. Mol L-1 s-1 | |
5. |
The unit s-1 is the unit of rate constant for the reaction of the order is? |
A. | 1 |
B. | 2 |
C. | 0.5 |
D. | 0 |
Answer» E. | |
6. |
The reaction rate constant may be defined as the rate of the reaction when the concentration of each reactants is ___________ |
A. | Zero |
B. | Unity |
C. | Doubled the initial concentration |
D. | Infinite |
Answer» C. Doubled the initial concentration | |
7. |
The unit of rate of reaction is ___________ |
A. | Mol L-1 s-1 |
B. | Mol L s-1 |
C. | Mol L-1 s |
D. | Mol L s |
Answer» B. Mol L s-1 | |
8. |
Reaction kinetics deals with the study of ___________ |
A. | Rate of reaction |
B. | Mechanism of reaction |
C. | Factors which affects the rate of reaction |
D. | All of the mentioned |
Answer» E. | |
9. |
THE_UNIT_L_MOL-1_S-1_IS_THE_UNIT_OF_RATE_CONSTANT_FOR_THE_REACTION_OF_THE_ORDER?$ |
A. | 0 |
B. | 1 |
C. | 0.5 |
D. | 2 |
Answer» D. 2 | |
10. |
Order of a reaction does not give any information about the reaction mechanism? |
A. | True |
B. | False |
Answer» B. False | |
11. |
What will be the order of reaction if the rate law is given by? |
A. | |
B. | 1 |
C. | 0.5 |
Answer» C. 0.5 | |
12. |
The unit of rate constant for the second order reaction will be |
A. | s<sup>-1</sup> |
B. | L mol<sup>-1</sup> s<sup>-1</sup> |
C. | Mol<sup>0.5</sup> L<sup>-0.5</sup> s<sup>-1</sup> |
D. | Mol L<sup>-1</sup> s<sup>-1</sup> |
Answer» D. Mol L<sup>-1</sup> s<sup>-1</sup> | |
13. |
The unit s-1 is the unit of rate constant for the reaction of the order |
A. | 1 |
B. | 2 |
C. | 0.5 |
D. | 0 |
Answer» E. | |
14. |
The reaction rate constant may be defined as the rate of the reaction when the concentration of each reactants is |
A. | Zero |
B. | Unity |
C. | Doubled the initial concentration |
D. | Infinite |
Answer» C. Doubled the initial concentration | |
15. |
The order of the reaction can be zero, fractional or integer and it is always experimentally determined. |
A. | True |
B. | False |
Answer» B. False | |
16. |
The unit of rate of reaction is |
A. | Mol L<sup>-1</sup> s<sup>-1</sup> |
B. | Mol L s<sup>-1</sup> |
C. | Mol L<sup>-1</sup> s |
D. | Mol L s |
Answer» B. Mol L s<sup>-1</sup> | |
17. |
The reaction rate is defined as the rate at which the concentration of the reactants __________ with time or the concentration of products ___________ with time. |
A. | Increase, increase |
B. | Decrease, decrease |
C. | Decrease, increase |
D. | Increase, decrease |
Answer» D. Increase, decrease | |
18. |
Reaction kinetics deals with the study of |
A. | Rate of reaction |
B. | Mechanism of reaction |
C. | Factors which affects the rate of reaction |
D. | All of the mentioned |
Answer» E. | |