Advertisements
Advertisements
Question
You are given benzene, conc. H2SO4 and NaOH. Write the equations for the preparation of phenol using these reagents.
Advertisements
Solution 1
Solution 2
\[\ce{\underset{Benzene}{C6H6} ->[conc.H2SO4/ \Delta][sulfonation] \underset{Benzene sulphonic acid}{C6H5SO3H} ->[NaOH, melting][-Na2SO3] \underset{Sodium phenoxide}{C6H5ONa} ->[Dil. HCl][-NaCl] \underset{Phenol}{C6H5OH}}\]
APPEARS IN
RELATED QUESTIONS
How do you convert the following:
Aniline to phenol
Give the equations of reactions for the preparation of phenol from cumene.
Write chemical reaction for the preparation of phenol from chlorobenzene.
Write the structures of main products when benzene diazonium chloride (C6 H5 N+2CI−)C6 H5 N2+CI- reacts with the : HBF4/∆
Write the structures of main products when benzene diazonium chloride (C6 H5 N+2CI−)C6 H5 N2+CI- reacts with the :Cu/HBr
Why phenol undergoes electrophilic substitution more easily than benzene?
Which of the following reactions will yield phenol?
| (i) |  |
| (ii) |  |
| (iii) |  |
| (iv) |  |
Name the starting material used in the industrial preparation of phenol.
What happens when reactions:
N-ethylethanamine reacts with benzenesulphonyl chloride.
Benzoic acid reacts with cone. HNO3 and HiSO4 to give:
Oxidation of which of the following by air in presence of vanadium pent oxide given phenol?
Aspirin is also known as
Name the catalyst used in the commercial method of preparation of phenol.
In the reaction, alcohol + diazomethane → ether + N2; the ether cannot be ______.
'A' and 'B' in the following reactions are:
A compound 'X' is acidic and it is soluble in NaOH solution, but insoluble in NaHC0 3 solution. Compound 'X' also gives violet colour with neutral FeCI3 solution. The compound 'X' is:
Match List - I with List - II.
| List I | List II | ||
| (A) |  |
(I) | Br2 in CS2 |
| (B) | (II) | Na2Cr2O7/H2SO4 | |
| (C) |  |
(III) | Zn |
| (D) |  |
(IV) | CHCl3/NaOH |
Choose the correct answer from the options given below:
