Home
Class 11
CHEMISTRY
Aldehydes and ketones react with bromoes...

Aldehydes and ketones react with bromoesters in the presence of metallic zinc of give hydroxy esters. This is an example of

A

Claisen condensation

B

Reformatsky reaction

C

Knoevenagel reaction

D

Ziesel's reaction

Text Solution

Verified by Experts

The correct Answer is:
B
`H_(3)C - CHO + Br - CH_(2) - COOC_(2)H_(5) underset(underset(H_(2)O //H)("Reflux"))overset("Zn/ether")rarr underset(beta-"Hydroxy ester")(H_(3)C - CH (OH) CH_(2) COOC_(2)H_(5))`
This reaction is called as Reformatsky reaction
Promotional Banner

Topper's Solved these Questions

  • CARBOXYLIC ACIDS AND THEIR DERIVATIVES

    DINESH PUBLICATION|Exercise Unit test|20 Videos

  • CARBOXYLIC ACIDS AND THEIR DERIVATIVES

    DINESH PUBLICATION|Exercise Ultimate Preparatory Package|50 Videos

  • BIOMOLECULES

    DINESH PUBLICATION|Exercise Reason|1 Videos

  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    DINESH PUBLICATION|Exercise COMPREHENSION|4 Videos

Similar Questions

Explore conceptually related problems

Aldehydes and ketones give addition reactions with

Aldehydes and ketones give addition reaction with

The reaction between carbonyl compound and alpha -bromoesters in the presence of metal Zn to give beta -hydroxy ester is known as:

Aldehydes and ketones react with electrophiles but not with nucleophiles.

Aldehydes and ketones , on treatment with hydroxylamine give

Aldehydes and ketones donot give addition reaction with

DINESH PUBLICATION-CARBOXYLIC ACIDS AND THEIR DERIVATIVES-Brain Teasers
  1. Schiff's base and Schiff's reagent are

    Text Solution

    |

  2. Pinacolone is

    Text Solution

    |

  3. Aldehydes and ketones react with bromoesters in the presence of metall...

    Text Solution

    |

  4. Phenacy bromide is one of the important lachrymator and can be prepare...

    Text Solution

    |

  5. Pyruvic acid is

    Text Solution

    |

  6. Formic acid reduces Tollen's reagent because

    Text Solution

    |

  7. C(6)H(5)CO - COC(6) H(5) overset(OH^(-))rarr (C(6)H(5))(2) overset(OH)...

    Text Solution

    |

  8. Which of the following ester on reaction with methyl magnesium chlorid...

    Text Solution

    |

  9. Urea and hydrazine react to form ammonia gas along with compound X whi...

    Text Solution

    |

  10. [{:(CH(OH)COOH),(|),(CH(OH)COOH):}] on reduction with HI consumed four...

    Text Solution

    |

  11. Lactic acid overset(X)rarr Lactile chloride. The compound X is

    Text Solution

    |

  12. Allyl iodine overset(KCN(alc.))rarr X overset(H(2)O //HCl)rarr Y In ...

    Text Solution

    |

  13. In order to convet but-2-enal to but-2-enoic acid which of the followi...

    Text Solution

    |

  14. Chemically Banana oil is

    Text Solution

    |

  15. Chloretone belongs to which of the following organic family

    Text Solution

    |

  16. The product Q is

    Text Solution

    |

  17. Which of the following substance will not poduce methane by its treatm...

    Text Solution

    |

  18. Oxidation of acetaldehyde with selenium dioxide produces

    Text Solution

    |

  19. C(2)H(5)OC(2) + CO overset(BF(3), 150^(@)C)rarr The poduct formed in...

    Text Solution

    |

  20. Which ketone is formed by the treatment of ethanenitrile and ethyl mag...

    Text Solution

    |