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Which of the following is aromatic ?...

Which of the following is aromatic ?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B

Aromaticity can be predicted by the use of Huckle's rule which says that `(4n+2)pi` - electrons are required in delocalisation system to give it aromaticity.
`(4n +2)pi` electrons means 2,6, 10 ……… `pi` electrons Here total number of elctrons avaiable for delocalisation =6
`therefore ` It is expected to be aromatic.
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Knowledge Check

  • Which of the following are aromatic compounds ?

    A
    I and III
    B
    I, II and III
    C
    I, II and IV
    D
    III, and IV
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    A
    B
    C
    D
    None of the above
  • Which of the following is an aromatic compound

    A
    Phenol
    B
    Naphthalene
    C
    Pyridine
    D
    All
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