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Karnataka Board PUCPUC Science 2nd PUC Class 12

You are given benzene, conc. H2SO4 and NaOH. Write the equations for the preparation of phenol using these reagents.

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Question

You are given benzene, conc. H2SO4 and NaOH. Write the equations for the preparation of phenol using these reagents.

Chemical Equations/Structures
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Solution 1

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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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Notes

Students can refer to the provided solutions based on their preferred marks.

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Chapter 7: Alcohols, Phenols and Ethers - Exercises [Page 222]

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NCERT Chemistry Part 1 and 2 [English] Class 12
Chapter 7 Alcohols, Phenols and Ethers
Exercises | Q 7.12 | Page 222
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