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Define f-centre....

Define f-centre.

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OSWAAL PUBLICATION-Sample Paper 6-Exercise
  1. How is Gold-sol prepared by Bredig's-arc method?

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  2. Name the type of colloid obtained when a liquid is dispersed in a soli...

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  3. Name the type of colloid obtained when. (i) A liquid is dispersed in...

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  4. Define f-centre.

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  5. How is phenol converted into salicyclic and? Name the reaction.

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  6. How is ethanol converted into iodoethane.

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  7. Explain the mechanism of Acylation of Benzene

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  8. What is mesomeric effect? What type of mesomeric effect is shown by-N...

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  9. Identify the reactant 'A' in the following reaction A+2R-XtoR4N^+X^-

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  10. Explain Hoffmann's bromamide degradation reaction for the preparation ...

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  11. Which is more basic among aqueous solutions of aniline and ammonia ? G...

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  12. Show that presence of three double bonds in benzene.

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  13. Show that six hydrogen atoms in benzene are identical.

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  14. Explain Clemmensen reduction with an example.

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  15. Give two biological function of the following proteins: Haemolglobin.

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  16. Give two biological function of the following proteins:Collagen

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  17. Write the general formula of a triglyceride.

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  18. What is copolymerization? Give an example with equation.

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  19. Give an example for a polyster fibre.

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  20. Give an example for thermosetting polymer.

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