Home
Class 12
CHEMISTRY
Methyl ester reacts with EtMgBr to give ...

Methyl ester reacts with `EtMgBr` to give `3^@` alcohol The ester is :

A

Methyl propanoate

B

Methyl butanoate

C

Methyl ethanoate

D

Methyl formate

Text Solution

Verified by Experts

The correct Answer is:
B
(b) `3^@` alcohol is with two `(Et)` group obtained form `G.R`. Therefore, `(Pr-)` group has come from the ester.
So, the ester is (methyl butanoate). Hence, the answer is `(b)`.
Promotional Banner

Topper's Solved these Questions

  • GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (Single Correct)|4 Videos

  • GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises Archives (True/False)|1 Videos

  • GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Multiple Correct)|16 Videos

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives (Subjective)|14 Videos

  • NCERT BASED EXERCISE

    CENGAGE CHEMISTRY ENGLISH|Exercise Nuclear Chemistry (NCERT Exercise)|29 Videos

Similar Questions

Explore conceptually related problems

Ethyl ester reacts with PrMgBr to give 2^@ alcohol. The alcohol is :

Esters on reaction with EtMgBr give:

Propyl ester reacts with isopropyl magnesium bromide to give 2^@ alcohol The ester is :

Phenyl methyl ether reacts with HI to give phenol and methyl iodide and not iodobenzene and methyl alcohol. Why?

Phenyl methyl ether (on anisole) reacts with HI to give phenol and methyl iodide and not iodobenzene and methyl alcohol. Justify .

Benzaldehyde reacts with alcoholic KCN to give :

Benzaldehyde reacts with alcoholic KCN to give :

Give explanation of following : (i) During the preparation of esters from a carboxylic acid and an alcohol in the easter should be removed as soon as it is formed.

A : Esters on reduction with LiAlH_(4) forms alcohols. R : Esters having at least two alpha -Hydrogen atoms undergo Claisen condensation.

CENGAGE CHEMISTRY ENGLISH-GRIGNARD REAGENTS AND ORGANOMETALLIC REAGENTS-Exercises (Single Correct)
  1. Propane dithioic acid is prepared by the reaction of the following, fo...

    Text Solution

    |

  2. Propylsulphinic acid is prepared by the reaction of the following, fol...

    Text Solution

    |

  3. .

    Text Solution

    |

  4. Ethanoic propanoic anhydride on reaction with excess of MeMgBr gives t...

    Text Solution

    |

  5. Reactivity of MeMgBr with the following in the decreasing order is : ...

    Text Solution

    |

  6. Product. The major product is :

    Text Solution

    |

  7. Reactivity of with the following G.R in the decreasing order is : (...

    Text Solution

    |

  8. .

    Text Solution

    |

  9. Reactivity of EtMgBr with the following in the decreasing order is : ...

    Text Solution

    |

  10. Reactivity of PhMgBr with the following in the decreasing order is : ...

    Text Solution

    |

  11. Reactivity of PhMgBr with the following in the decreasing order is : ...

    Text Solution

    |

  12. Reactivity of HCHO with the following G.R in the decreasing order is :...

    Text Solution

    |

  13. Which of the following 3^@ alcohols does propyl ester give during reac...

    Text Solution

    |

  14. Ethyl ester reacts with PrMgBr to give 2^@ alcohol. The alcohol is :

    Text Solution

    |

  15. Methyl ester reacts with EtMgBr to give 3^@ alcohol The ester is :

    Text Solution

    |

  16. Propyl ester reacts with isopropyl magnesium bromide to give 2^@ alcoh...

    Text Solution

    |

  17. Propyl lithium reacts with ethene to give a compound (A), which on rea...

    Text Solution

    |

  18. Coupling reaction between RMgX and R'X takes place to give R-R' in the...

    Text Solution

    |

  19. Phenyl isocyanide + Benzyl magnesium bromide overset(1.Ether Delta) un...

    Text Solution

    |

  20. The compound (A) in the previous question is further hydrolysed in dil...

    Text Solution

    |