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An element has an atomic number 12. How ...

An element has an atomic number 12. How many electrons will be present in the K, L and M energy shells of its atom ?

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MODERN PUBLICATION-CHEMICAL KINETICS-EXERCISE
  1. Name the shell of an atom which can accommodate a maximum of : (b) 18...

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  2. Assertion : The enthalpy of reaction remains constant in the presence ...

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  3. An element has an atomic number 12. How many electrons will be present...

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  4. An element has atomic number 13 and an atomic mass of 27. (a) How many...

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  5. Define activation energy of a reaction.

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  6. Write the distribution of electrons in an atom of element whose atomic...

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  7. For a chemical reaction X rarr Y, the rate. increases by a factor 2.25...

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  8. Can order of a reaction be fractional ? Give an example.

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  9. Manganese steel is made up of mixture of.

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  10. The decomposition of NH3 on platinum surface is zero order reaction. W...

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  11. Show that half life period of a first order reaction does not depend u...

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  12. A first order reaction is 15% complete in 20 minutes. How long will it...

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  13. What is the difference between instantaneous rate of a reaction and ra...

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  14. A reaction is second order with respect to a reactant. How is the rate...

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  15. An element has atomic number 10 and an atomic mass of 22. Write the sy...

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  16. A first order reaction has a rate constant of 0.0051 min^-1. If we beg...

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  17. Define the following terms : Pseudo first order reaction.

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  18. what are the uses of chromium steel?

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  19. What is the effect of temperature on the rate constant of a reaction? ...

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  20. During nuclear explosion, one of the products is overset 90"Sr with ha...

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