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How will you know whether a given OH gro...

How will you know whether a given OH group is alcoholic or phenolic in nature?

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Phenolic OH group gives blue or violet colouration with neutral `FeCl_(3)` while alcoholic OH group does not.
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PRADEEP-ALCOHOLS, PHENOLS AND ETHERS-ADDITIONAL QUESTIONS (VERY SHORT ANSWER QUESTIONS)
  1. Arrannge the following is order of decreasing acid strength: CH(3)OH,H...

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  2. Give one reaction to show that phenol is acidic in character.

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  3. How will you know whether a given OH group is alcoholic or phenolic in...

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  4. Phenol is an acid but does not react with sodium bicarbonate solution....

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  5. Phenol reacts with benzoyl chloride in presence of NaOH. What is the p...

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  6. Explain why phenols do not undergo substitution of the -OH group like ...

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  7. Name a phenol with molecular formula C(7)H(8)O which upon treatment wi...

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  8. Which is steam volatile: ortho- or p-nitrophenol? Give reason also. ...

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  9. Name the major product formed when sodium phenoxide is heated with CO(...

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  10. Phenol is heated with chloroform and NaOH at 340 K. what is the main p...

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  11. How will you synthesise salicylic acid from phenol?

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  12. Write chemical equation involved in Friedel Crafts acetylation of anis...

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  13. How is phenolphthalein obtained?

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  14. (a) Give the mechanism of the following reaction : 2CH(3)CH(2)OH und...

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  15. How are simple and mixed ethers prepared using diazomethane.

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  16. How do you account for the miscibility of ethoxyethane with water ?

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  17. A conical flask is full of water. The flask has base-radius r and h...

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  18. Why is ether not miscible in water?

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  19. Why are Grignard soluble in ether but not in benzene?

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  20. Name the products when anisole is heated with HI.

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