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Differentiate phenols from alcohol.

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Test to differentiate alcohols and phenols: 

1. Phenol react with benzene diazonium chloride to form a red orange dye, but ethanol has no reaction with it.

2. Phenol gives purple colouration with neutral feme chloride solution, alcohols do not give such coloration with FeCI3 .

3. Phenol reacts with NaOH to give sodium phenoxide. Ethyl alcohol does not react with NaOH

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