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"Direct iodination of benzene is difficu...

"Direct iodination of benzene is difficult." Explain. Suggest an alternative route for the synthesis of iodo benzene.

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MODERN PUBLICATION-SAMPLE PAPER 2016-EXERCISE
  1. Why hydrogen sulphide cannot be dried by conc. H2SO4?

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  2. What is Cannizzaro's reaction? Give equation.

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  3. Why HF cannot be stored in glass bottle? Explain with equation.

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  4. State the Law of mass action and explain any two significance of equil...

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  5. How does common ion effect help in the preparation of pure NaCl from a...

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  6. The aqueous solution of which amongst the following is the most acidic...

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  7. Write the structural formulae of the three derivatives of monocarboxyl...

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  8. "Direct iodination of benzene is difficult." Explain. Suggest an alter...

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  9. What is a Buffer solution? Derive Hendersen's equation for calculation...

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  10. The half - life of a radioactive element is 69.3 days.Find out the tim...

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  11. Equivalent conductance at infinite dilution of NH4CI, NaOH and NaCl ar...

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  12. What is Diazo reaction ? Write the structure of the product of this re...

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  13. How is acetaldehyde prepared from acetylchloride?

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  14. How does acetaldehyde react with Tollen's reagent

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  15. Arrange the order of reactivity of the following compounds towards nuc...

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  16. Describe the laboratory method of preparation of sulphur dioxide. How ...

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  17. Define transition elements. Discuss their following characteristic pro...

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  18. Define specific, equivalent and molar conductance. Write their units. ...

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  19. Write notes on : Solubility product and its application to analysis ...

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  20. Write notes on: Hess's law of constant heat of summation.

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