NEET · Chemistry · STD 11 - 8.1. Organic chemistry Nomenclature of organic compounds

The radical, (image) is aromatic because it has

A \(7\, p-\)orbitals and \(7\) unpaired electrons
B \(6\, p-\)orbitals and \(7\,\) unpaired electrons
C \(6\, p-\)orbitals and \(6\) unpaired electrons
D \(7\, p-\)orbitals and \(6\) unpaired electrons.

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Answer & Solution

Correct Answer

(C) \(6\, p-\)orbitals and \(6\) unpaired electrons

Step-by-step Solution

Detailed explanation

Benzyl free radical is aromatic as per Huckel's rule it has \(6 \pi\) electreons present in \(p-\)orbital of carbon atoms involved in formation of benzene ring (Aromatic nature).

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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