Advertisements
Advertisements
प्रश्न
You are given benzene, conc. H2SO4 and NaOH. Write the equations for the preparation of phenol using these reagents.
Advertisements
उत्तर १

उत्तर २
\[\ce{\underset{Benzene}{C6H6} ->[conc.H2SO4/ \Delta][sulfonation] \underset{Benzene sulphonic acid}{C6H5SO3H} ->[NaOH, melting][-Na2SO3] \underset{Sodium phenoxide}{C6H5ONa} ->[Dil. HCl][-NaCl] \underset{Phenol}{C6H5OH}}\]
Notes
Students can refer to the provided solutions based on their preferred marks.
APPEARS IN
संबंधित प्रश्न
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
Sodium salt of benzene sulphonic acid on fusion with caustic soda gives ____________.
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 ______.

Consider the above reactions, the product A and product B respectively 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:



