1.

C_(2)H_(5)OH and C_(6)H_(5)OH can be distinguished by

Answer»

`Br_(2) + H_(2)O`
`FeCl_(3)`
`I_(2)+NaOH`
Both (a) and (c)

Solution :`C_(2)H_(5)OH and C_(6)H_(5)OH` can be distinguished by neutral `FeCl_(3)` solution or `I_(2)+NaOH` solution
`C_(2)H_(5)OH` gives iodoform test with `I_(2)+NaOH` solution while phenol does not give YELLOW ppt. of iodoform.
`C_(2)H_(5)OH + 4I_(2)+ 6NaOH overset(Delta)to underset("iodoform")(CHI_(3))+ NCOONa+5NaI + 5H_(2)O`
`C_(6)H_(5)OH + I_(2) + NaOH to ` No REACTION
`C_(6)H_(5)OH` reacts with neutral `FeCl_(3)` solution to give purple colour while `C_(2)H_(5)OH` does not give any colour with neutral `FeCl_(3)` solution.


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