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Check, which of the following statements...

Check, which of the following statements is false ?

A

A catalyst does not differentiate between forward and backward reaction

B

Large activation energy is associated with low reaction rate

C

Maxwell's distribution of velocities remains- unaltered under all conditions of temperature and pressure

D

A catalyst does not affect the equilibrium state of reaction

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-CHEMICAL KINETICS-ASSIGNMENT (SECTION A : Objective Type Questions)
  1. Reactant 'A' (initial concentration, a) reacts according to zero order...

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  2. A first order reaction completes 60% in 20 minutes. The time required ...

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  3. The half-life periof of a substance is 50 min at a certain initial con...

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  4. The half life of a second order process, 2A rarr products , is

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  5. The rate law for the reaction RCl + NaOH(aq) rarr ROH + NaCl is give...

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  6. The rate constant for forward and backward reactions of hydrolysis of ...

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  7. For a reaction , A rarrB , it has been found that the order of the re...

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  8. A sample of a radioactive substance undergoes 80% decomposition in 345...

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  9. 99% at a first order reaction was completed in 32 min. When will 99.9%...

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  10. Check, which of the following statements is false ?

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  11. Arrhenius parameter (A) depends on

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  12. The chemical reactions in which the reactants require high amount of a...

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  13. For an exothermic chemical process ocuuring in two process occuring in...

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  14. A chemical process occurring in two steps , is plotted as

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  15. For the chemical process energies are plotted in graph. Which of ...

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  16. The rate of a reaction becomes 2 times for every 10^@C rise in tempera...

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  17. The rate of a reaction increases by 2.5 times when the temperature is ...

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  18. The minimum amount of energy that the reacting molecules must possess ...

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  19. The rate constant , the activation energy and Arrhenius parameter of a...

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  20. At particular concentration , the half life of the reaction is 100 min...

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