Question

57. Which of the following is not a heterocyclic aromatic compound?
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Answer 1

Answer:

1

Explanation:

in 1 , only carbon atoms make the ring

oygen is out of ring

Answer 2

Option (1) is not a heterocyclic aromatic compound.

• Aromatic compounds refer to the compounds having a planar ring along with the presence of delocalised pi electrons. They are unsaturated.
• Heterocyclic aromatic compounds have a cyclic backbone with aromatic characteristics.
• The backbone is of carbon accompanied by the replacement of one or more than one carbon atoms with other atoms.
• Common replacement atoms are oxygen, nitrogen, sulphur etc.

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