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Half - life period of ""^(14)C is 5770...

Half - life period of `""^(14)C` is 5770 years . If and old wooden toy has 0.25% of activity of `""^(14)C` Calculate the age of toy. Fresh wood has 2% activity of `""^(14)C`.

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The correct Answer is:
17310 y
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AAKASH SERIES-CHEMICAL KINETCS-EXERCISE - 3.2
  1. What is a pesudo - order reaction ? Why is it so called ?

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  2. If a second order reaction is 75% complete in 1 hr , calculate th...

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  3. For a reaction , the reactant concentration decreases 20% in 1 hr a...

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  4. The rate of a first order reaction is 0.04 mol L^(-1) s^(-1) after ...

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  5. A reaction proceeds 5 times more at 60^(@)C, as it does at 30^(@)C ...

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  6. Rate constant of a reaction is 10^(-3) s^(-1). Calculate the perc...

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  7. For a reaction A + 2B to 2C, the kinetic data is given below: ...

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  8. Time required for 50% completion of the first order reaction in ...

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  9. A first order reaction is 50% complete in min at 27^(@)C ?and 10 m...

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  10. The concentrations of N(2)O(5) decomposing in first order kinetics a...

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  11. CH(3)O CH(3) (g) to CH(4)(g) + H(2)(g) + CO(g) . The decomposition fo...

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  12. For the catalytic decomposition of a substance , half - lives are g...

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  13. A drop of solution (0.05 mL) contains 2 xx 10^(6) mol of H^(+). How ...

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  14. Half - life period of ""^(14)C is 5770 years . If and old wooden t...

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  15. Ten gram atoms of an alpha active element disintegrated in a sealed...

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  16. During nuclear explosion , one of the products is ""^(90)Sr with h...

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  17. The half - life for radioactive decay of ""^(14)C is 5730 years . An...

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  18. Acid catalysed hydrolysis of ethylacetate can be considered as an ex...

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  19. Rate of decomposition of a substance increases by a factor 2.25 fo...

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  20. For a first order reaction , show that time required for 99% com...

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