Home
Class 12
CHEMISTRY
The decreasing order of bond length of C...

The decreasing order of bond length of `C=C` in the following compounds is :

A

`IIgtIIgtIVgtIII`

B

`IIIgtIIgtIgtIV`

C

`IVgtIIgtIgtIII`

D

`IVgtIgtIIgtIII`

Text Solution

Verified by Experts

The correct Answer is:
B
`C=C` bond length is maximum in (III) because of resonance.
resonance also occurs in (I)
Hyperconjugation occurs in (II) and (IV)
Promotional Banner

Topper's Solved these Questions

  • GENERAL ORGANIC CHEMISTRY

    HIMANSHU PANDEY|Exercise Level 2 (Q.26 To Q.50)|25 Videos

  • GENERAL ORGANIC CHEMISTRY

    HIMANSHU PANDEY|Exercise Level 2 (Q.51 To Q.75)|25 Videos

  • GENERAL ORGANIC CHEMISTRY

    HIMANSHU PANDEY|Exercise Level 1 (Q.26 To Q.49)|24 Videos

  • CHEMISTRY IN DAILY LIFE

    HIMANSHU PANDEY|Exercise Integer Answer Type Problems|7 Videos

  • HALIDES

    HIMANSHU PANDEY|Exercise Subjective Type Problems|10 Videos

Similar Questions

Explore conceptually related problems

The decreasing order of bond length of C=C bond in the following compounds is :

The decreasing order of bond angle is

The decreasing order of dehydrohalogenation of the following compounds is : .

The decreasing order of C-X bond length in CH_3-X is

The correct order of C-N bond lengths for the followin compounds is :

Bond length of C-C in benzene

HIMANSHU PANDEY-GENERAL ORGANIC CHEMISTRY-Level 2 (Q.1 To Q.25)
  1. In which of the following pairs is the sturcture on the right major re...

    Text Solution

    |

  2. In which of the following pairs of resonance contributors is the sturc...

    Text Solution

    |

  3. Examine the following resonating structures of formic acid and arrange...

    Text Solution

    |

  4. Which of the following compounds will not show resonance?

    Text Solution

    |

  5. Which of the following compounds will exhibit d-orbital resonance?

    Text Solution

    |

  6. Which of the following represents resonating structure of

    Text Solution

    |

  7. Which of the following is not a permissible resonating form?

    Text Solution

    |

  8. Less contributing structure of nitroethene is :

    Text Solution

    |

  9. Which will be the least stable resonating structure?

    Text Solution

    |

  10. Which will be the least stable resonating structure?

    Text Solution

    |

  11. Which of the following pairs of structures is not a pair of resonating...

    Text Solution

    |

  12. Which of the following pairs of strutures does not represent resonatin...

    Text Solution

    |

  13. The most stable resonating structure of p-nitrosonitrobenzene is :

    Text Solution

    |

  14. Which of the following molecules has longest C=C strenght?

    Text Solution

    |

  15. The decreasing order of bond length of C=C in the following compounds ...

    Text Solution

    |

  16. In which of the following molecules all the effects namely inductive, ...

    Text Solution

    |

  17. There are three canonical structures of naphthalene. Examine them and ...

    Text Solution

    |

  18. Among these compounds the correct order of C-N bond length is :

    Text Solution

    |

  19. C(1)-C(2) bond is shortest in :

    Text Solution

    |

  20. Among the following three canonical sturetures what would be their rel...

    Text Solution

    |