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Why is the solution containing sodium ac...

Why is the solution containing sodium acetate and acetic acid called a buffer solution ?

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For preparing a buffer solution of pH 6 BY mixing sodium acetate and acetic acid the ratio of concentration of salt and acid (K_a=10^(-5)) Should be :

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MODERN PUBLICATION-SAMPLE PAPER 2012-EXERCISE
  1. Give the relationship between chemical equivalent and electrochemical ...

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  2. Write the name of two antibiotic drugs.

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  3. Why is the solution containing sodium acetate and acetic acid called a...

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  4. Represent the cell and calculate the Standard e.m.f. of the cell havin...

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  5. Why hydrofluoric acid is the weakest of all the halogen acids ?

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  6. What is the action of ozone with lead sulphide? Give equation.

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  7. H2S cannot be dried by passing over conc. H2SO4 because:

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  8. What happens when SnCl2 solution is added to CuCl2 solution ?

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  9. Sodium acetate solution is alkaline. Give reason.

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  10. State KohIrausch’s law.

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  11. How is benzene converted to toluene ?

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  12. What is the action of benzaldehyde with HCN ?

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  13. What happens when ethyl acetate is treated with sodium ethoxide and et...

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  14. Why aniline is less basic than methyl amine?

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  15. What are organometallic compounds? Give two examples.

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  16. What happens when propionic acid is treated with thionyl chloride?

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  17. What is Riemer-Tiemann reaction? Give equation.

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  18. State and explain Faraday's laws of electrolysis. When a current of 24...

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  19. Write short notes on : activation energy

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  20. What is carbon dating ? Explain. In a sample of wood C-14 activity is ...

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