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Give short notes on the following : (a...

Give short notes on the following :
(a) Kolbe’s reaction
(b) Riemer Tiemann reaction
(c) Coupling reaction

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Explain Kolbe’s reaction.

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NCERT BANGLISH-HYDROXY DERIVATIVES-SELF EVALUATION((C) Answer not exceeding sixty words :)
  1. Account for the following : (i) Phenol has a smaller dipole moment t...

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  2. Explain why phenol does not undergo substitution of the -OH group lik...

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  3. Complete the following reaction giving names of products.

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  4. Give chemical test to distinguish between methanol and phenol.

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  5. Give a brief account of coupling reaction.

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  6. What happens when phenol is treated with diazonium chloride in presenc...

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  7. Explain Dow’s process.

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  8. Identify the product A and B.

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  9. Identify C and D.

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  10. Identify the product. A and B

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  11. How will you distinguish the primary, secondary and tertiary alcohols ...

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  12. Explain the mechanism of esterification.

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  13. Give short notes on the following : (a) Kolbe’s reaction (b) Rieme...

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  14. Explain the action of glycerol with (i) oxalic acid at 383 K (ii) ...

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  15. What are the oxidation products of glycerol ?

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  16. How is ethylene glycol prepared ? Give three methods.

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  17. Starting from phenol how would you obtain the following compounds ? ...

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  18. How would you distinguish between (i) methyl alcohol and ethyl alcoh...

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  19. Give any four methods of preparing benzyl alcohol.

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  20. Write a note on the ‘Acidic nature of phenol’.

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