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Question
You are given benzene, conc. H2SO4 and NaOH. Write the equations for the preparation of phenol using these reagents.
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Solution 1
Solution 2
\[\ce{\underset{Benzene}{C6H6} ->[conc.H2SO4/ \Delta][sulfonation] \underset{Benzene sulphonic acid}{C6H5SO3H} ->[NaOH, melting][-Na2SO3] \underset{Sodium phenoxide}{C6H5ONa} ->[Dil. HCl][-NaCl] \underset{Phenol}{C6H5OH}}\]
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