Home
Class 11
CHEMISTRY
Which of the following chemical systems ...


Which of the following chemical systems is/are nonaromatic?

A

II

B

IV

C

II and IV

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
all the species except II are planar and possess `(4n+2)pi` electrons which are completely delocalized.
Promotional Banner

Topper's Solved these Questions

  • AROMATIC HYDROCARBONS

    R SHARMA|Exercise Question Bank|51 Videos

  • ALKYNES

    R SHARMA|Exercise Archives|42 Videos

  • CHEMICAL BONDING

    R SHARMA|Exercise Archives|73 Videos

Similar Questions

Explore conceptually related problems

Which of the following forms chemical scissors ?

Which of the following is a chemical mutagen ?

Which of the following is a chemical mutagen?

R SHARMA-AROMATIC HYDROCARBONS-Archives
  1. The total number of possible isomeric trimethylbenzenes is

    Text Solution

    |

  2. How many pi electrons are present in the cyclopentadienyl anion C(5)H(...

    Text Solution

    |

  3. Which of the following chemical systems is/are nonaromatic?

    Text Solution

    |

  4. Number of pi electrons present in naphthalene is

    Text Solution

    |

  5. When sodium benzoate is heated with sodalime, the product formed is

    Text Solution

    |

  6. The nitration of benzene is an example of

    Text Solution

    |

  7. In the nitration of benzene with a mixture of concentrated HNO(3) and ...

    Text Solution

    |

  8. When phenol is heated with zinc dust the major product formed is

    Text Solution

    |

  9. Which of the following compounds is the most reactive towards nitratio...

    Text Solution

    |

  10. The strongest ortho-and para-directing group among the following is

    Text Solution

    |

  11. C(6)H(6)+CI(2)overset(UVLight)rarr Product In above reaction product i...

    Text Solution

    |

  12. Among the compounds the order of decreasing reactivity towards electro...

    Text Solution

    |

  13. The function of anhydrous AlCl(3) in friedel-Crafts' reaction is to

    Text Solution

    |

  14. Benzene reacts with n-propyl chloride in the presence of anhydrous AlC...

    Text Solution

    |

  15. Which one of the following will be the most easiliy attacked by an ele...

    Text Solution

    |

  16. The most common reaction of benzene is

    Text Solution

    |

  17. In the chlorination of benzene with Cl(2), in the presence of anhydrou...

    Text Solution

    |

  18. The correct order of decresing reactivity of anisole (I), benzene (II)...

    Text Solution

    |

  19. Anhydrous AlCl(3) is used as a catalyst in the friedel-crafts reaction...

    Text Solution

    |

  20. The rate of nitration of phenol

    Text Solution

    |