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To increase the rate of a chemical react...

To increase the rate of a chemical reaction, catalyst

A

increase the activation energy

B

decrease activation energy

C

reacts with products

D

do not changes the activation energy

Text Solution

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The correct Answer is:
B
A catalyst increases the rate of the reaction by decreasing the activation energy
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NARAYNA-CHEMICAL KINETICS -CUQ (RATE OF REACTION)
  1. Which of the following cannot be determined experimentally.

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  2. Which of the following statements regarding molecularity of the reacti...

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  3. To increase the rate of a chemical reaction, catalyst

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  4. The energy of activation of a reaction is dependent on

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  5. If the activation energy of both the forward and the backward reaction...

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  6. For the exothermic reaction A + B rArr C + D.Delta(H) is the heat of r...

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  7. The rate constant (K(1)) of one reaction is found to be double that of...

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  8. Collision theory is applicable to

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  9. The rate constant is given by the equation k = P.Ze^(-E(a)//RT). Which...

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  10. The excess of energy required for the reactant molecules to undergo a ...

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  11. Threshold energy (TE), internal energy of reactants (IE) and energy of...

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  12. The energy to be possessed by the molecule participating in the reacti...

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  13. For a given reaction which one is higher than the rest among the follo...

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  14. The value of energy of activation for radio active decay is

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  15. In arrhenius equation, the fraction of effective collisions is given b...

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  16. On increasing the temperature by 10^(@)C,

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  17. The threshold energy of a chemical reaction depends upon

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  18. Activation energy is to rate of reaction

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  19. The rate of a reaction can be increased in general by all the factors ...

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  20. The energy of activation of positive catalyzed reaction as compared to...

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