1.

ON disuphonatioon followed by fusion with NaOH an dacidificant, an aromaticcompoundC_(8) H_(10) (A) gives two isomeric comnpounds(B) and (C)(molecularformulaC_(8) H_(10) O_(2). Oxidationof estersof (B) and (C) followed by hydrolysis givestwo isomers comnpounds (D) and (E) (C_(7) H_(6) O_(4)) which may bedecarboxylated to formC_(6) H_(6) O_(2) (F). Identigycompounds (A) to (F).

Answer»

SOLUTION :`4 D.U` and `C:H = 1:1` in `(A)` SUGGEST benzene ring with either TWO `(Me)` groups in the ring or one `(Et)` group in the side chain.

Formation of `(F)` suggests that only one `(-COOH)` is decarboxylated becuase from the above REACTION sequenceit is clear that `(F)` contains two `(OH)` groups.
Therefore. `(A)` contains `(Et)` group.
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