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In a first order reaction, the concentra...

In a first order reaction, the concentration of the reactant decreases from 800 mol/`dm^3` to 50 mol/`dm^3` in `2 xx 10^4` sec. The rate constant of the reaction in `sec^-1` is

A

`2xx10^4`

B

`3.45xx10^-5`

C

`1.386xx10^-4`

D

`2xx10^-4`

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MODERN PUBLICATION-CHEMICAL KINETICS-EXERCISE
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  6. A substance undergoes first order decomposition. The decomposition fol...

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  7. A reactant (A) forms two products : A overset (k1) rarr B, Activation ...

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  8. Consider the reaction : N2(g) + 3H2(g) rarr 2NH3(g) The equality relat...

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  9. The correct electronic configuration of a chloride ion is : (a) 2, 8 (...

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  10. In a first-order reaction Ararr B, if k is rate constant and initial c...

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  11. If 60% of a first order reaction was completed in 60 minutes, 50% of t...

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  12. The bromination of acetone that occurs in acid solution is represented...

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  13. For a reaction : A+ B rarr product, it is observed that (i) on doubli...

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  14. Half life period of a first order reaction is 1386 seconds. The specif...

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  15. For the reaction, N2+3H2 rarr 2NH3 if (d [NH3])/(dt)=2 xx 10^-4 mol//L...

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  16. In the reaction BrO3^(-)(aq) + 5Br^(-) + 6H^(+) rarr 3Br2 + 3H2O the r...

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  17. During the kinetic study of the reaction. 2A + B rarr C + D, followin...

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  18. For the reaction N2O5(g)rarr 2NO2(g) + 1/2 O2 (g) the value of rate of...

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  19. In a reaction, A + B rarr Product, rate is doubled when the concentrat...

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  20. In a zero-order reaction for every 10^@ rise of temperature, the rate ...

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