Home
Class 12
CHEMISTRY
Write the chemical equation for the conv...

Write the chemical equation for the conversion of,
i) phenol to salicylaldehyde ii) Salicylic acid to aspirin. 

Text Solution

Verified by Experts

i) Phenol on heating with chloroform in the presence of sodium hydroxide at 340K followed by hydrolysis gives O-hydroxy benzaldehyde (salicylaldehyde] this reaction is known as Reimer-Tiemann reaction.

ii) Sali - cylic acid reacts with acetic anhydride in the presence of concentrated sulphuric acid to give aspirin.
Promotional Banner

Topper's Solved these Questions

  • II PUC CHEMISTRY (P.U. BOARD LATEST MODEL QUESTION PAPER - 3)

    SUNSTAR PUBLICATION|Exercise PART - C|16 Videos
  • II PUC CHEMISTRY (P.U. BOARD LATEST MODEL QUESTION PAPER - 2)

    SUNSTAR PUBLICATION|Exercise PART - D|28 Videos
  • II PUC CHEMISTRY (SUPPLEMENTARY EXAM QUESTION PAPER JULY - 2014)

    SUNSTAR PUBLICATION|Exercise PART - D|22 Videos

Similar Questions

Explore conceptually related problems

Write equation for the conversion of phenol to anisole

Write the chemical reactions involved in the conversion of aniline into phenol.

Write the chemical equations for the conversion of ethanol to ethanoic acid in the presence of KMnO_(4) .

Write the chemical equation to convert ethanoic acid to ethanoic anhydride.

Conversion of I to II :

Write the chemical equations for the following conversions. (i) Benzamide to Benzoic acid (ii) Propanone to propene. (iii) Acetic acid to chloroacetic acid.

Write the equations involved in the preparation of phenol from cumene.

Write the general equations for the reaction of an aldehyde with (i) HCN (ii) Hydrazine.

Write a balanced chemical equation for a chemical combination reaction.

SUNSTAR PUBLICATION-II PUC CHEMISTRY (P.U. BOARD LATEST MODEL QUESTION PAPER - 3)-PART - D
  1. What is Brownain movement ? What is the cause for it ?

    Text Solution

    |

  2. Write the difference between physisorption and chemisorption with resp...

    Text Solution

    |

  3. Name the enzyme that catalyses the reaction: H(2)NCONH(2)+H(2)Orarr2NH...

    Text Solution

    |

  4. a) Write S(N)1 mechanism for the hydrolysis of 2-Bromo-2-methyl propan...

    Text Solution

    |

  5. In the preparation of aryl halides by Sandmeyer's reaction, name the i...

    Text Solution

    |

  6. Write the chemical equation for the conversion of, i) phenol to sali...

    Text Solution

    |

  7. Explain Williamson's ether synthesis.

    Text Solution

    |

  8. Which class of alcohols do not readily form turbidity with Lucas reage...

    Text Solution

    |

  9. Explain Clemmensen reduction with an example.

    Text Solution

    |

  10. Name the reaction to obtain benzaldehyde from: i) toluene ii) benzen...

    Text Solution

    |

  11. How are primary amines prepared from nitro compounds? Write the equati...

    Text Solution

    |

  12. How does Hinsberg's reagent react with ethyl amine? Write the equation...

    Text Solution

    |

  13. Write the IUPAC name of

    Text Solution

    |

  14. a) Name the water insoluble component of starch.

    Text Solution

    |

  15. Name the type of linkage between two nucleotides in nucleic acid.

    Text Solution

    |

  16. With respect to proteins, what do you mean by i) primary structure i...

    Text Solution

    |

  17. Write an equation for the formation of a dipeptide between

    Text Solution

    |

  18. What is addition polymerization? Give one example for a copolymer.

    Text Solution

    |

  19. Write the name of monomers required to manufacture Buna-N rubber. Writ...

    Text Solution

    |

  20. What is Zeigler-Natta catalyst?

    Text Solution

    |