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A catalyst is a substance which...

A catalyst is a substance which

A

increases the equilibrium concentration of the product

B

changes the equilibrium constant of the reaction

C

shortens the time to reach equilibrium

D

supplies energy to the reaction

Text Solution

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The correct Answer is:
C
A catalyst, in a reversible reaction shortens the time to reach equilibrium.
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DINESH PUBLICATION-RATES OF REACTIONS AND CHEMICAL KINETICS-Selected Straight
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  2. The specific rate constant of a first order reaction depends on the

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  4. A catalyst

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  6. The temperature coefficient of most of the reactions lies between

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  7. For an endothermic reaction, where Delta H represents the enthalpy of ...

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  8. The rate constant, the activation energy, and the Arrhenius parameter ...

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  9. The rate constant for the reaction: 2N(2)O(5) rarr 4NO(2)+O(2) is 3....

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  10. When two reactants, A and B are mixed to give products C and D, the re...

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  11. If I is the intenisty of an absorbed light and c is the concentration ...

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  12. Conisder the chemical reaction N(2)(g) + 3H(2)(g) rarr 2NH(3)(g) T...

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  13. In a first order reaction, the concentration of the reactant decreases...

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  14. A follows first order reaction. (A) rarr Product The concentration...

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  15. Which of the following is incorrect about the order of reaction ?

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  16. Rate of a reaction can be expressed by Arrhenius equation as: k = Ae...

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  17. The following mechanism has been proposed for the reaction of NO with ...

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  18. In a first-order reaction A rarr B, if K is the rate constant and init...

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  19. The reaction obey I order with respect to H(2) and ICl both. H(2) (g...

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  20. If 60 % of a first order reaction was completed in 60 minutes, 50 % of...

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