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प्रश्न
Write the reaction involved in the preparation of phenol from benzene sulphonic acid.
How will you convert the following? (Write a chemical equation.)
Phenol from benzene sulphonic acid.
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उत्तर
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संबंधित प्रश्न
Answer in brief.
Give the reagents and conditions necessary to prepare phenol from Benzene sulfonic acid.
Arrange the following in decreasing order of acid strength.
CH3OH, CH3–CH2–OH, CH3–CH(OH)–CH3, (CH3)3–C–OH
Write the reaction to get aspirin from salicylic acid.
With the help of chemical equations show what happens when cumene hydroperoxide is treated with dil. acid.
Draw intramolecular hydrogen bonding structure in o-nitrophenol.
What is the action of following reagents on pent-3-enal?
- H2/Ni
- LiAlH4/H3O+
Write Kolbe’s reaction.
Write chemical equation of acetyl chloride with phenol
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 the reactions for the preparation of carbolic acid from aniline.
Phenol is ____________.
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
Identify reagents X, Y and Z.
Which of the following reagents is used to convert phenol to benzene?
(I)
(II) \[\ce{P + Zn ->[\Delta] Q}\]
(III) \[\ce{P ->[Na2Cr2O7][H2SO4] R}\]
Q and R are respectively:
Which of the following alcohols is least soluble in water?
Which among the following is allylic secondary alcohol?
Identify the product obtained when phenol is treated with bromine water?
Name the catalyst used in commercial method of preparation of phenol.
Identify the compound amongst the following of which 0.1 M aqueous solution has highest boiling point.
Product (B) in this reaction is:
Amongst the following alcohols which would react fastest with cone. HCl and ZnCl2?
The major product obtained in the following reaction is
Arrange O - H, C - H and N - H bonds in increasing order of their bond polarity.
Explain the reaction of 1° and 2° alcohol with oxidising agent chromic anhydride (CrO3).
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
Write chemical reaction when hot copper is treated with Vapours of 3° (tertiary) alcohol.
