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Reaction of phenol with chloroform in pr...

Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional group ?

A

`-CH_(2)Cl`

B

`-COOH`

C

`-CHCl_(2)`

D

`-CHO`

Text Solution

Verified by Experts

The correct Answer is:
D
`CHCl_(3)+NaOH hArr :overset(-)C Cl_(3)+H_(2)O`
`:overset(-)C Cl_(3)rarr : C Cl_(2)+Cl^(-)`

Therefore functional group `-CHO` is introduced.
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DISHA PUBLICATION-ALCOHOLS, PHENOLS AND ETHERS-Exercise - 1 : Concept Builder (Topicwise)(TOPIC 3 : Preparation and Properties of Phenols)
  1. Which one of the following compounds has the most acidic nature ?

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  2. among the following four compounds (i) phenol (ii) methylphenol (i...

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  3. Reaction of phenol with chloroform in presence of dilute sodium hydrox...

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  4. Acid catalysed hydration, hydroboration - oxidation, and oxymercuratio...

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  5. . The compound P should be

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  6. Which of the following ion is formed in the following reaction ?

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  7. . Here P is

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  8. Here P is

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  9. Text Solution

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  10. Which of the following is not formed as an inter mediate in the Reimer...

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  11. . Here Z is

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  12. Identify the product [B] in the following reaction

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  13. Ph-CH(2)-underset(OH)underset(|)(CH)-CH(3) overset(K)(rarr) overset(C(...

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  14. Which yields isopropyl methyl ether with little or no by-products?

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  15. What is X in the following reaction?

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  16. tert-Butyl ethyl ether can't be prepared by which reaction?

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  17. Which one is formed when sodium phenoxide is heated with ethyl iodide?

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  18. In Williamson's synthesis, ethoxyethane is prepared by

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  19. Which of the following compounds are soluble in water?

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  20. The reaction of sodium ethoxide with ethyl iodide to form diethyl ethe...

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