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Why rate of reaction does not remain con...

Why rate of reaction does not remain constant throughout ?

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The rate of reaction decreases with time. At the beginning of reaction the concentration of reactants is maximum. The concentration decreases with time and hence the rate of reaction also decreases with time.
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OMEGA PUBLICATION-CHEMICAL KINETICS -MULTIPLE CHOICE QUESTIONS (MCQ s)
  1. Why rate of reaction does not remain constant throughout ?

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  2. Consider the chemical reaction, N (2) (g) + 3 H (2)(g) to 2 NH (3) (...

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  3. For a reaction involving solid, decreasing which given below will incr...

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  4. Rate of first order reaction depends upon

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  5. Under a given set of experimental conditions, with increase of concent...

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  6. Rate at which a substance reacts depends upon its

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  7. RCOO R ' + Na OH to RCOO Na + R ' OH. What type of reaction is this ?

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  8. Units of rate constant for the first and zero order reactions in terms...

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  9. Units of specific reaction rate for 2nd order reaction is

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  10. The units of rate constant for first order equation.

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  11. The hydrolysis of ester in alkaline medium is a

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  12. Given the unit of second order rate constant

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  13. The half life period of a zero order reaction is independent of initia...

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  14. What is the effect of temperature on rate of a reaction.

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  15. The activation energy of reaction is equal to

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  16. The activation energy of a reaction can be determined by

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  17. The wavelength of first spectral line in the balmer series is 6561 ang...

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  18. The substance that increases the speed of a chemical reactions is call...

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  19. The reaction rate is found to depend upon two concentration terms. The...

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  20. For which of the following , the units of r constant and rate of the r...

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  21. A zero order reaction is one whose rate independent of

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