Home
Class 11
CHEMISTRY
The conversion of 2,3-dibromobutane to 2...

The conversion of 2,3-dibromobutane to 2-butene with Zn is:

A

Redox reaction

B

`alpha`-Elimination

C

dehalogenation

D

Both-`alpha`-elimination and redox reaction

Text Solution

Verified by Experts

The correct Answer is:
C
`CH_(3)-undersetunderset(H)(|)oversetoverset(Br)(|)(C)-undersetunderset(H)(|)oversetoverset(Br)(|)(C)-CH_(3)underset(Delta)overset(Zn//CH_(3)OH)rarrCH_(3)-CH=CH-CH_(3)`
Promotional Banner

Topper's Solved these Questions

  • ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART II (ISOMERISM AND REACTION MECHANISM)

    BRILLIANT PUBLICATION|Exercise LEVEL-II|40 Videos

  • ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART II (ISOMERISM AND REACTION MECHANISM)

    BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION-REASON TYPE)|20 Videos

  • ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART I (NOMENCLATURE)

    BRILLIANT PUBLICATION|Exercise LEVEL-III|45 Videos

  • ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART III (PURIFICATION AND CHARACTERISATION OF ORGANIC COMPOUNDS)

    BRILLIANT PUBLICATION|Exercise LEVEL-II (ASSERTION-REASON TYPE)|15 Videos

Similar Questions

Explore conceptually related problems

Assertion: Addition of bromine to trans-2-butene yields meso-2,3-dibromobutane Reason : Bromine addition to an alkene is an electrophilic addition.

Assertion: 2-Bromobutane on reaction with sodium ethoxide in ethanol gives 1-butene as a majorproduct. Reason : 1-Butene is more stable than 2-butene.

Hydrocarbons exhibit isomerism. Draw the structure of the isomers of 2-Butene and select the one which is more polar.

BRILLIANT PUBLICATION-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES - PART II (ISOMERISM AND REACTION MECHANISM) -LEVEL-II (ASSERTION-REASON TYPE)
  1. The conversion of 2,3-dibromobutane to 2-butene with Zn is:

    Text Solution

    |

  2. Assertion : Simple carbanions are usually pyramidal but allyl carbanio...

    Text Solution

    |

  3. Assertion : All the carbon atoms of but-2-ene lie in one plane. Reas...

    Text Solution

    |

  4. Assertion : A free radical is paramagnetic species. Reason : A free ...

    Text Solution

    |

  5. Assertion : Tertiary carbocations are generally formed more easily tha...

    Text Solution

    |

  6. Assertion : tert-Butyl carbanion is more stable than methyl carbanion....

    Text Solution

    |

  7. Assertion : The order of stability of carbocations are R(3)C^(+)gtR(2)...

    Text Solution

    |

  8. Assertion : 1^(@) allylic halides are more reactive than 1^(@) RX in S...

    Text Solution

    |

  9. Assertion : Crown ether acts as phase transfer catalysis and increases...

    Text Solution

    |

  10. Assertion : RS^(Theta) is a stronger nucleophile and a better leaving ...

    Text Solution

    |

  11. Assertion : E(1)cB reaction is favoured by stabilisation of carbanion ...

    Text Solution

    |

  12. Assertion : Inductive effect is responsible for the dipole moment in t...

    Text Solution

    |

  13. Assertion : A carbanion is pyramidal in shape like NH(3) and amines. ...

    Text Solution

    |

  14. Assertion : Hybridisation influences the bond length and bond enthalpy...

    Text Solution

    |

  15. Assertion : Rotation about C = C is restricted. Reason : Electron ch...

    Text Solution

    |

  16. Assertion : Heterolytic fission involves breaking of bond in such a wa...

    Text Solution

    |

  17. Assertion : The order of reactivity of carbocations is 3^(@)gt2^(@)1^(...

    Text Solution

    |

  18. Assertion : When inductive and electromeric effects operate in opposit...

    Text Solution

    |

  19. Assertion : 1^(@) allylic halides are more reactive than 1^(@) RX in S...

    Text Solution

    |

  20. Assertion : Rate of ethanolysis of 1^(@) halide by S(N)1 mechanism is...

    Text Solution

    |

  21. Assertion : Allyl and benzyl carbonium ions are more stable than propy...

    Text Solution

    |