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In the presence of a catalyst, the heat ...

In the presence of a catalyst, the heat evolved or absorbed during the reaction:

A

Increases

B

decreases

C

remains unchanged

D

may increase or decrease

Text Solution

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The correct Answer is:
C
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DINESH PUBLICATION-CHEMICAL KINETICS-Multiple Choice Questions
  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 decompostion reaction gives be...

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  6. According to Arrheneius equation rate constant k is equal to Ae^(-E(a)...

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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 b...

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

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  10. Consider the graph under question 8. Which of the following options do...

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  11. Which of the following statements is correct?

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  12. Which of the following expression is correct for the rate of reac...

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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 rarr C, is found to be Rate = k [A] [...

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  15. Which of the following statements is incorrect about the collision...

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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 equati...

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  18. Which of the following statements is not correct for the catalyst?

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

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  20. Consider the reaction Altimplies B. The concentration of both the reac...

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