1.

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 structures of the compounds.

Answer»

Both `A` and `B` form a SILVER mirror with TOLLEN's reagent, also `B` give a positive test with `FeCl_(3)` solution.
`C` gives positive iodoform test.
`D` is readily EXTRACTED in AQUEOUS `NaHCO_(3)` solution.

Solution :(i) Tollen's reagent gives positive test for aldehyde however `FeCl_(3)` is the test of phenol.
(ii) `-COCH_(3)` gives iodoform test.
`NaHCO_(3)` is the test for acidity.


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