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The rate constant of a specific reaction...

The rate constant of a specific reaction is independent of the concentration of the reactants.

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Consider the following statements with respect of zero order reaction. (i) The rate of the reaction is independent of reactant concentration (ii) The rate of the reaction is independent of temperature (iii) The rate constant of the reaction is independent of temperature (iv) The rate constant of the reaction is independent of reactant concentration Choose the correct statement (s)

Assertion. Half-life of a reaction is independent of the initial concentration of the reactant. Reason. Half-life of a reaction is independent of the order of reaction.

Statement-2: The reciprocal of time in which 66% of the reactant is conveted to product is equal to the rate constant of first order reaction. Because Stetment-2 : The rate constant for first order reaction depends on initial concentration of reactants.

A reaction is said to be of…………. if its rate is entirely independent of the concentration of the reactants.

Assertion : The equilibrium constant for the reverse reaction is equal to the inverse of the equilibrium constant for the forward reaction . Reason : The value of equilibrium constant is independent of initial concentrations of the reactants and products.

(a) How does the rate of reaction depend upon the concentration of reactants ?

CENGAGE CHEMISTRY-CHEMICAL KINETICS-Exercises True/False
  1. For a zero order reaction, The rate becomes double when the order of t...

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  2. For a zero order reaction, the half-life periof is independent of the ...

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  3. x g of a radioactive substance will be decomposed to 7//8x g in 40 s i...

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  4. For a first order reaction, the half-life periof is 0.263 k.

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  5. The sum of powers to which of the concentration terms are raised in th...

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  6. The difference between the energy maximum along a reaction path and th...

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  7. The graph between log k versus 1//T is a straight line.

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  8. The slope of the tangent at a point on the curve of concentration of a...

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  9. A poistive catalyst increases the activation energy of the reaction.

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  10. The slope of straight line in a plot of log.[A] versus time for a firs...

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  11. The rate of reaction increases with increase in activation energy.

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  12. The average rate and instantaneous rate are the same.

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  13. Longer the reaction life time, faster is the reaction.

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  14. A mixture of reactants may be thermodynamically unstable but kinetical...

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  15. The rate constant of a specific reaction is independent of the concent...

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  16. The order of reaction can never be zero.

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  17. In a gaseous reaction, an increase in the pressure of the reactant gas...

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  18. The hydrolyiss of ethyl acetate in the pressure of sofium hydroxide is...

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  19. The unit of rate constant for a zero order reaction is s^(-1).

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  20. In a second order reaction, the plot of 1//(a-x) versus t is a straigh...

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