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Iodine can not be used for electro phili...

Iodine can not be used for electro philic substitution of arene. Why?

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R G PUBLICATION-SAMPLE PAPERS-Exercise
  1. What will happen when methylene blue is adsorbed an charcoal?

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  2. In the solid phase of phosphorus penta chlo-ride the structure of cati...

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  3. Iodine can not be used for electro philic substitution of arene. Why?

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  4. Give one example of step growth polymerisation.

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  5. Calculate Van't Hoff factor 'i' for 0.001 molal NaCl solution.

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  6. What is limiting molar conductivity? Discuss the variation of molar co...

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  7. Write the full cell reaction taking place in Laclanche cell.

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  8. What is hydro metallurgy? How Cu is extracted by this method.

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  9. Knowing the electron gain enthalphy values for OrarrO^- and O rarrO^2-...

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  10. How are XeO3 and XeOF4 prepared?

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  11. Arrange the following in the order of property indicated: NH3, PH3, As...

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  12. Explain briefly how +2 state becomes more and more stable in the first...

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  13. Mention two factors that effect the rate of a chemical reaction.

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  14. Write the monomer units, structure and two uses of the following polym...

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  15. Comment on the nature of S-O bonds formed in SO2 molecule. Are these b...

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  16. Write three important characteristics of enzyme catalytic reaction.

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  17. What happens when: Ferric chloride reacts with NH4OH

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  18. Why the solubility of alkyl halide in water is very low?

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  19. Drawing the various resonating structures. Show that nitrobenzene acti...

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  20. Write IUPAC name of the following : (i) Na2[Fe(CN)5NO] (ii) [Fe(H2...

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