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प्रश्न
Write the reactions involved in the preparation of phenol from benzene sulfonic acid.
उत्तर
Preparation of phenol from benzene sulfonic acid:
संबंधित प्रश्न
Choose the correct option.
Which is the most resistant alcohol towards oxidation reaction among the following?
Answer in one sentence/ word.
Write the IUPAC name of alcohol having molecular formula C4H10O which is resistant towards oxidation.
Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________
Arrange the following in decreasing order of acid strength.
CH3OH, CH3–CH2–OH, CH3–CH(OH)–CH3, (CH3)3–C–OH
Write the name of major product when anisole reacts HI at 398 K
With the help of chemical equations show what happens when cumene hydroperoxide is treated with dil. acid.
What is the action of following reagents on pent-3-enal?
- H2/Ni
- LiAlH4/H3O+
What is the action of following on phenol at low temperature?
- dil. HNO3
- conc. H2SO4
- Br2/CS2
An unknown alcohol is treated with Lucas reagent. Explain how you will determine whether the alcohol is primary, secondary or tertiary. Indicate by chemical equation the reaction between isopropyl alcohol and Lucas reagent.
Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.
Which of the following compounds is obtained, when phenol react with bromine water?
Bromination of phenol, will NOT give:
Isobutylene on hydroboration followed by oxidation with hydrogen peroxide in presence of base yields ______.
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
Which of following elements does not react with hot concentrated sulphuric acid?
Carbolic acid is oxidised by acidified sodium dichromate to give ______.
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
In Raschig's method for synthesis of phenol, the reactants used are ____________.
Which of the following conversion explains the acidic nature of alcohols?
Which among the following compounds is used to prepare solid fuel using calcium acetate?
The number of σ bonds in carbolic acid is ______.
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
Identify the product obtained when phenol is treated with bromine water?
Identify the compound having highest boiling point from the following?
Which among the following phenolic compound is most acidic in nature?
Name the catalyst used in commercial method of preparation of phenol.
What is the action of nitrous acid on aniline?
Convert the following :
cumene to phenol.
