The product (B) in the above reaction is: | vedclass

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(A) The starting material is a derivative of $1,2-diphenylethane$ or a similar bridged system. Treatment with $H^+/\Delta$ leads to an intramolecular

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(A) The starting material is a derivative of $1,2-diphenylethane$ or a similar bridged system. Treatment with $H^+/\Delta$ leads to an intramolecular cyclization (Friedel-Crafts type alkylation/acylation or similar) to form a polycyclic aromatic hydrocarbon $(A)$. Subsequent treatment with $HNO_3/\Delta$ (nitration) occurs on the aromatic ring. Based on the structure of the intermediate $(A)$ (which is likely $9,10-dihydrophenanthrene$ or a similar fused system),the nitration occurs at the most reactive position on the aromatic ring to give the product $(B)$ as shown in option $(A)$.

The product $(B)$ in the above reaction is:

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