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Activation energy of a chemical reaction...

Activation energy of a chemical reaction can be determined by

A

changing concentration of reactants

B

evaluating rate constant at standard temperature

C

evaluating rate constant at two different tempertures

D

evaluating velocities of reaction at two different temperatures

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The correct Answer is:
C
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OP TANDON-CHEMICAL KINETICS-OBJECTIVE QUESTIONS (LEVEL-A)
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  3. Activation energy of a chemical reaction can be determined by

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  5. For the reaction A rarr B, the rate law expression is rate =k[A]. Whic...

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  6. Cyclopropane rearranges to form propane : DeltararrCH(3)-CH=CH(2) ...

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  7. The rate constant k, for the reaction N(2)O(5)(g) rarr 2NO(2) (g) + (1...

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  8. The reaction XrarrY (Product ) follows first order kinetics. In 40 min...

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  9. In a first order reaction, the concentration of the reactant, decrease...

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  10. A substance undergoes first order decomposition. The decomposition fol...

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  11. For the reaction, 2NH(3)rarr N(2)+3H(2) if (-d[NH(3)])/(dt)=k(1)[NH(...

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  12. In Arrhenius equation k=Ae^(-E//RT), factor e^(-E(a)//RT) is known as...

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  13. Which of the following graphs is correct for second order reaction ?

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  14. For the reaction A+B rarr C+D The variation of the concentration of th...

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  15. Which graph shows zero activation energy ?

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  16. E("Threshold") can never be:

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  17. A reaction takes place in theee steps: the rate constant are k(1), k(2...

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  18. For hypothetical reaction ArarrB takes placed according to Aoverset(...

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  19. If concentration of reactant is increased by 'm' then k becomes :

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  20. aB+bBrarrP,dxx//dt=k[A]^(a)8[B]^(b). If conc. of A is doubled, rate is...

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