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C-11 is a radioisotope of carbon. Its ha...

C-11 is a radioisotope of carbon. Its half life is 20 minutes. What fraction of the initial number of C-11 atoms in a sample will have decayed away after 80 minutes ?

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SHARAM PUBLICATION-2015 QUESTION PAPER-EXERCISE
  1. Correctly match List -I with List -II:

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  2. What is Sandmeyer's reaction ?

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  3. C-11 is a radioisotope of carbon. Its half life is 20 minutes. What fr...

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  4. Calculate the molar solubility 'S' of Barium phosphate in terms of its...

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  5. Why do transitional elements form complex compounds ?

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  6. What happens when SO2 is passed through sulphuretted hydrogen dissolve...

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  7. What tyoe of hybridisation takes place in xenon during the formation ...

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  8. Write the structure formulae of all the isomeric amines with molecular...

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  9. What is coupling reaction ? Give an example.

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  10. For a 0.01 (N) solution of sodium acetate, calculate hydrolysis con...

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  11. For a 0.01 (N) solution of sodium acetate, calculate degree of hydro...

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  12. For a 0.01 (N) solution of sodium acetate, calculate pH. Given for ac...

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  13. What are the different types of carbohydrates? Give one example of eac...

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  14. What are the interhalogen compounds?Give examples.

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  15. How is fluorine prepared by Dennis method?

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  16. Write short notes on : Werner's theory of co-ordination compounds.

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  17. The co ordination complex [ Cu(OH2)6]^2+ has one unpaired electron . A...

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  18. Which type of ligand is EDTA.

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  19. How is phenol prepared from diazonium salt?

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  20. What is Reimer-Tiemann reaction?

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