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Four isomeric para-disubstituted aromati...

Four isomeric para-disubstituted aromatic compounds A to D with molecular formula `C_(8)H_(8)O_(2)` were given for identification . Based on the following observations, give structure of the compounds.
(i) Both A and B from a silver mirror with Tollen's reagent. also B gives a positive test with `FeCl_(3)` solution .
(ii) C gives positive iodoform test.
(iii) D is readily extracted in aqueous `NaHCO_(3)` solution.

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