Given below are two statements:
Statement I: Tropolone is an aromatic compound and has 8л electrons.
Statement II: electrons of >C = O group in tropolone is involved in aromaticity.
In the light of the above statements, choose the correct answer from the options given below
Statement I: Tropolone is an aromatic compound and has 8л electrons.
Statement II: electrons of >C = O group in tropolone is involved in aromaticity.
In the light of the above statements, choose the correct answer from the options given below
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true but Statement II is false
- Statement I is false but Statement II is true
The Correct Option is C
Solution and Explanation
1. Statement I: Tropolone is an aromatic compound with a conjugated ring system containing 8 \(\pi\) electrons: - 6 \(\pi\) electrons are endocyclic (within the ring). - 2 \(\pi\) electrons from the \(>\text{C}=\text{O}\) group are exocyclic (outside the ring). Hence, tropolone satisfies the conditions of aromaticity. Therefore, Statement I is correct.
2. Statement II: The \(\pi\) electrons of the \(>\text{C}=\text{O}\) group are not involved in the aromaticity of the compound, as they are exocyclic and do not contribute to the conjugated system of the ring. Therefore, Statement II is incorrect. ### Diagram: \[ \text{Tropolone: Aromatic compound with 6 \(\pi\) endocyclic electrons} \] \[ \text{Structure:} \] \[ \text{OH} \quad \text{C}=\text{O} \]
Conclusion: Statement I is true, but Statement II is false.
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