Home
Class 12
CHEMISTRY
The ease of dehydrohalogenation of alkyl...

The ease of dehydrohalogenation of alkyl halide with alcoholic KOH is-

A

`3^(@)lt2^(@)lt1^(@)`

B

`3^(@)gt2^(@)gt1^(@)`

C

`3^(@)lt2^(@)gt1^(@)`

D

`3^(@)gt2^(@)lt1^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HALOALKANES AND HALOARENES

    NCERT FINGERTIPS ENGLISH|Exercise Higher order thinking skills|8 Videos
  • HALOALKANES AND HALOARENES

    NCERT FINGERTIPS ENGLISH|Exercise Exemplar problems|24 Videos
  • HALOALKANES AND HALOARENES

    NCERT FINGERTIPS ENGLISH|Exercise Physical properties|7 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos
  • POLYMERS

    NCERT FINGERTIPS ENGLISH|Exercise NCERT Exemplar|9 Videos

Similar Questions

Explore conceptually related problems

Dehydrohalogenation of an alkyl halide is:

Which of the following products as shown by the dehydrohalogenation of alkyl halides with sodium ethoxide in ethanol is correctly marked as major product?

Identify all the possible alkenes that would be formed on the dehydrohalogenation of the following organic halides with alcoholic KOH . Also, identify the major alkene. a. 1- Chloropentane b. 2- Chloropentane c. 2-chloro-2-methyl butane d. 2-Chloro-3-methyl butane e. 3- Chloro-2-methyl pentane

The order of E_(2) elimination for alkyl halide is

2^(@) alkyl halides from alcohols via

Dehydrohalogenation involves removal of the halogenn atom together with a hydrogen atom from carbon adjacent to the one with halogen atom. Alcoholic KOH is used for dehydrohalogenation. According to saytzeff's rule, when two alkenes may be formed, the alkene which is most substituted is the major product. Q. The ease of dehydrohalogenation for different halogens is in the order

Statement -1: Acid catalyzed dehydration follows E_(1) mechanism Statement - 2 : Tertiary alcohols are more reactive than primary alcohols towards HBr. Statement -3 : Dehydrohalogenation of alkyl halide follows E_(2) mechanism

Bromoethane on treatment with alcoholic KOH gives

Reaction of alkyl halides with alcoholic KOH gives alcohols as the major product.

The compound that is most reactive with alcoholic KOH is

NCERT FINGERTIPS ENGLISH-HALOALKANES AND HALOARENES-Chemical reactions
  1. Trans-2-phenyl-1-bromocyclopentane on reaction with alcoholic KOH prod...

    Text Solution

    |

  2. Identify (Z) in the following reaction series, C2H5Ioverset("Alcoho...

    Text Solution

    |

  3. The ease of dehydrohalogenation of alkyl halide with alcoholic KOH is-

    Text Solution

    |

  4. Elimination of bromine from 2-bromobutane results in the formation of ...

    Text Solution

    |

  5. Which of the following products does not match correctly with the reac...

    Text Solution

    |

  6. In the reaction , CH(3)-underset(Br)underset(|)(CH)-CH(3)overset(alc...

    Text Solution

    |

  7. Grignard reagent, a very useful starting compound for a number of orga...

    Text Solution

    |

  8. The order of reactivities of methyl halide in the formation of Grignar...

    Text Solution

    |

  9. Identify the products X and Y in the given reaction, CH3-underset(Br...

    Text Solution

    |

  10. Alkyl halides react with metallic sodium in dry ether producing

    Text Solution

    |

  11. On treating a mixture of two alkyl halides with sodium metal in dry et...

    Text Solution

    |

  12. Chlorobenzene on treatment with sodium in dry ether gives diphenyl. Th...

    Text Solution

    |

  13. Primary alkyl halide C4H9Br (X) reacts with alc. KOH to give compound ...

    Text Solution

    |

  14. The main difference in C-X bond of a haloalkane and a haloarene is

    Text Solution

    |

  15. Aryl halides are less reactive towards nucleophilic substitution react...

    Text Solution

    |

  16. Chlorobenzene can be converted into phenol by heating in aqueous sodi...

    Text Solution

    |

  17. Match the column I with column II and mark the appropriate choice.

    Text Solution

    |

  18. The end product (Q) in the following sequence of reaction is

    Text Solution

    |

  19. Which of the following reactions is not correctly matched ?

    Text Solution

    |

  20. Chloroform is stored in dark coloured bottles. Explain in not more t...

    Text Solution

    |