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Write the tests to differentiate phenol ...

Write the tests to differentiate phenol and alcohol.

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Test to differentiate alcohol and phenols:
(i) Phenol react with benzene diazonium chloride to form a red orange dye, but ethanol has no reaction with it.
(ii) Phenol gives purple colouration with neutral ferric chloride solution, alcohols do not give such coloration with `FeCl_(3)`.
(iii) Phenol reacts with NaOH to give sodium phenoxide. Ethyl alcohol does not react with NaOH.
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SURA PUBLICATION-HYDROXY COMPOUNDS AND ETHERS -VERY SHORT ANSWERS 2 MARKS
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  2. Write the IUPAC names of (I) CH(3)OCH(2)CH(2)OH, (ii) CH(3)OCH(2)OCH...

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  3. Why sodium metal cannot be used to dry alcohols but it can be used to ...

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  4. What is 'Glycerose'? How is it prepared from glycerol?

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  5. Write the tests to differentiate phenol and alcohol.

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  6. Write short notes on the following Schotten - Baumann reaction

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  7. Write the IUPAC names of (a) C(2)H(5)OCH(3) (ii) C(6)H(5)OC(2)H(5)

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  8. Complete and balance C(2)H(5)OH overset(250^(@)C)underset(Al(2)O(3))...

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  9. What happens when anisole is nitrated ?

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  10. Write short notes on bromination of anisole.

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  11. Give a test to identify the presence of alcohol .

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  12. Name the only primary alcohol which gives positive iodoform test.

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  13. What happens when crotonaldehyde is reduced in the presence of LiAlH(4...

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  14. Write two uses of ethylene glycol.

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  15. State Saytzeff's rule.

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  16. Phenols does not protonation reactions readily-Give reason.

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  17. Explain the mechanism involved in the intermolecular dehydration of al...

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  18. Which of the following does not give iodoform reaction? CH(3)-CH(2)O...

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  19. How can isobutyl alcohol be converted to t-butyl alcohol ?

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  20. Arrange the following in the decreasing order of order of acid strengt...

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