1.

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

Answer»

SOLUTION :Since compound `D(C_(8)H_(10)O)` upon treatment with ALKALINE solution of `I_(2)` gives YELLOW ppt, THEREFORE, D may be either methyl ketone `(-underset(O) underset(||)(C)-CH_(3))` or methyl carbinol `(-underset(OH) underset(|)(CH)-CH_(3))`
The molecular formula of suggests it to be 1-phenyl ethanol, `C_(6)H_(5) underset(OH) underset(|)(CH)CH_(3)` The reaction may be EXPLAINED as:


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