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Phenol can be distinguished from ethanol by the following reagents exceptA. sodiumB. `NaOH//l_(2)`C. neutral `FeCl_(3)`D. `Br_(3)//H_(2)O`

Answer» Correct Answer - A
Phenol cannot be distinguished from ethanol by sodium because both evolve hydrogen with sodium.
`2C_(6)H_(5)OH+2Na rarr 2C_(6)H_(5)overset(-)Ooverset(+)Na+H_(2) uarr`
`2C_(2)H_(5)OH+2Na rarr 2C_(2)H_(5)overset(-)O overset(+)Na+H_(2) uarr`


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