Entry Test MCQ :: Reaction Kinetics
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11. |
When a graph is plotted between 1/T on X-axis and log k on y-axis a straight line is obtained with a negative slope which has two end in |
A. |
I and II quadrant |
B. |
II and III quadrant |
C. |
III and IV quadrant |
D. |
II and IV quadrant |
Answer: Option D
Explanation:
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12. |
Rate of disappearance of reactant is equal to |
A. |
Rate of reaction |
B. |
Rate of formation of product |
C. |
Energy released during reaction |
D. |
a and b |
Answer: Option A
Explanation:
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13. |
Rate of reaction when concentration of reactants are taken as unity is called |
A. |
Arrhenius constant |
B. |
Molecularity |
C. |
Specific rate constant |
D. |
Ideal rate constant |
Answer: Option C
Explanation:
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14. |
Order of reaction of 2N2O5 ? 2N2O4+O2 is |
A. |
First order |
B. |
Second order |
C. |
Third order |
D. |
zero order |
Answer: Option A
Explanation:
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15. |
For 3rd order reaction the hhalf life is inversely proportional to initial concentration of reactants |
A. |
Single |
B. |
Square |
C. |
Cube |
D. |
Raise to power four |
Answer: Option B
Explanation:
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16. |
Which order of reaction obeys the relation t1/2 = 1/Ka |
A. |
First order |
B. |
Second order |
C. |
Third order |
D. |
Zero order |
Answer: Option B
Explanation:
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17. |
Radiations are absorbed in |
A. |
Spectrophotometer method |
B. |
Dilatometric method |
C. |
Optical relation method |
D. |
Refractometric method |
Answer: Option A
Explanation:
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18. |
Activated complex is formed due to |
A. |
Pressure |
B. |
Effective collision |
C. |
Ineffective collisions |
D. |
Temperature |
Answer: Option B
Explanation:
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19. |
Energy of reactant higher than energy of product favours |
A. |
Endothermic |
B. |
Exothermic |
C. |
Moderate reaction |
D. |
No reaction |
Answer: Option B
Explanation:
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20. |
Energy required to form transition state is called |
Answer: Option A
Explanation:
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