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In presence of NaOH, phenol react with C...

In presence of NaOH, phenol react with `CHCl_(3)` to form o-hydroxy benzaldehyde.This reaction is called

A

Riemer-Tiemann's reaction

B

Sandmeyer's reaction

C

Hoffmann's degradation reaction

D

Gattermann's aldehyde synthesis

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The correct Answer is:
A
Riemer-Tiemann.s reaction
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ERRORLESS-ALCOHOLS, PHENOLS AND ETHERS-NCERT BASED QUESTIONS (Properties of Alcohols, Phenols and Ethers)
  1. When FeCl(3) is added to phenol :

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  2. Rate of substitution reaction in phenol is:

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  3. In presence of NaOH, phenol react with CHCl(3) to form o-hydroxy benza...

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  4. Phenol on distillation with zinc dust gives .

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  5. Phenol is more acidic than ethanol due to

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  6. In Friedel-Crafts acylation, besides AlCl(3), the other reactants are

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  7. "Phenol "overset(NaNO(2)//H(2)SO(4))rarr B overset(H(2)O)rarr C overse...

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  8. Phenol is more acidic than :

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  9. Reaction is called

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  10. IUPAC name of m-cresol is.......... .

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  11. Sodium pheoxide reacts with CO(2) at 400K and 4-7 atm pressure to give

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  12. Phenol is treated with bromine water and shaken well. The white precip...

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  13. A compound that easily undergoes bromination is

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  14. Which of the following produces violet colour with FeCl(3) solution?

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  15. At low temperature phenol reacts wity Br(2) in CS(2) to form

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  16. The compound obtained by heating salicylic acid with phenol in the pre...

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  17. Phenol reacts with C CI(4) is presence of aqueneous alkali and forms a...

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  18. Which one of the following properties is exhibited by phenol ?

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  19. Phenol can be distinguished from ethanol by the following reagents exc...

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  20. Which of these compounds will not form tribromo derivative ?

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