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The role of a catalyst is to change...

The role of a catalyst is to change

A

Gibbs energy of reaction

B

enthalpy of reaction

C

activation energy of reaction

D

equilibrium constant.

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The correct Answer is:
C
activation energy of reaction
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ICSE-CHEMICAL KINETICS-EXERCISE (PART- I (OBJECTIVE QUESRTIONS)B.COMPLE THE FOLLOWING STATEMENTS BY SELECTING THE CORRECT ALTERNATIVE FROM THE CHOICES GIVEN )
  1. The role of a catalyst is to change

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  2. In the presence of a catalyst, the heat evolved or absorbed during the...

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  3. Activation energy of a chemical reaction can be determined by

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  4. Consider the given figure and mark the correct option.

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  5. Consider a first order gas phase decomposition reaction given below: ...

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  6. According to Arrhenius equation, rate constant k is equal to A e^(- Ea...

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  7. Consider the Arrhenius equation given below and mark the correct op...

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  8. A graph of volume of hydrogen released vs time for the reaction betwee...

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  9. Which of the following statements is not correct about order of a reac...

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  10. Consider the graph given in figure . Which of the following optio...

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  11. Which of the following statement is correct? A)The rate of a reaction...

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  12. Which of the following expressions is correct for the rate of reaction...

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  13. Which of the following graphs represents exothermic reaction ?

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  14. Rate law for the reaction A + 2B to C is found to be Rate =k[A][B] Con...

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  15. Which of the following statements is incorrect about the collison theo...

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  16. A first order reaction is 50% completed in 1.26 xx 10^(14)s. How much ...

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  17. Compounds 'A' and 'B' react according to the following chemical eq...

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  18. Which of the following statements is not correct ?

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  19. The value of rate constant of a pseudo first order reaction

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  20. Consider the reaction A to B. The concentration of both the reactan...

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