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A compound A (C(8)H(10)O) upon treatment...

A compound A `(C_(8)H_(10)O)` upon treatment with alkaline solution of iodine gives a yellow precipitate. The filtrate on acidification gives a white solid B `(C_(7)H_(6)O_(2))`. Write the structures of A and B.

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The molecular formula suggests that the compound A is of aromatic nature. Since A gives iodoform as a result of the reaction, this suggests that it is either a methyl ketone a methyl carbinol. However, the molecular formula suggests it to be methyl carbinol i.e. 1-phenylethanol. The reactions involved are as follows :
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A compound D(C_(8)H_(10)O) upon treatement with alkaline solution of iodine gives a yellow precipitate. The fibtrate on acidification gives a white solid E(C_(7)H_(6)O_(2)) . Write the structures of D,E and explain the formation of E.

An organic compound A (C_(7)H_(6)Cl_(2)) on treatment with NaOH solution gives another compound B (C_(7)H_(6)O) . B on oxidation gives and acid C (C_(7)H_(6)O_(2)) which on treatment with a mixture of conc. HNO_(3)" and "H_(2)SO_(4) gives a compound D (C_(7)H_(5)NO_(4)) . B on treatment with conc. NaOH gives a compound E (C_(7)H_(8)O)" and "C_(6)H_(5)COONa . Deduce the structures of [A], [B], [C], [D] and [E].