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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
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
Write IUPAC name of crotonyl alcohol.
Name the reagents used to convert phenol into
- picric acid
- p-benzoquinone
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.
How will you bring about the following conversions?
isopropyl alcohol to acetone
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
Write the reactions for the preparation of carbolic acid from aniline.
What is the action of conc. H2SO4 on carbolic acid at 373 K.
Phenol reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.
Sodium metal with ethyl alcohol gives __________ gas.
The CORRECT decreasing order of boiling points for isomeric primary (1°), secondary (2°) and tertiary (3°) alcohols is ____________.
Isobutylene on hydroboration followed by oxidation with hydrogen peroxide in presence of base yields ______.
Cumene is used in the commercial method for the manufacture of ____________.
Phenoxide ion is more stable than phenol due to the ____________.
\[\ce{Isopropyl alcohol + acidic K2Cr2O7 -> X}\]
Identify product 'X' in the above reactions.
Which of the following conversion explains the acidic nature of alcohols?
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
A reaction of phenol with chloroform in presence of sodium hydroxide to form salicylaldehyde is known as ____________.
Identify the role of PDC from the following.
The compound which reacts fastest with Lucas reagent at room temperature is ______.
Which among the following phenolic compound is most acidic in nature?
Name the catalyst used in commercial method of preparation of phenol.
The product C in the following reaction is
Write the chemical reaction when hot copper is treated with Vapours of 2° (secondary) alcohol.
Explain: Phenols are acid while alcohol is neutral.
The structure of A in the given reaction is:
The C−O−C angle in ether is about ______.
Which of the following is primary benzylic alcohol?
Which of the following is trihydric phenol?
