Advertisements
Advertisements
Question
What is the action of conc. H2SO4 on carbolic acid at 373 K.
Advertisements
Solution
At 373 K, carbolic acid (phenol) reacts with concentrated sulphuric acid to form p-phenolsulfonic acid.
APPEARS IN
RELATED QUESTIONS
Answer in brief.
Explain why phenol is more acidic than ethyl alcohol.
Reaction between hot conc. HI and anisole gives ______________
The reagents used to convert phenol to 2,4,6-tribromophenol is _____________
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.
Write Kolbe’s reaction.
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
Number of oxygen atoms present in salicylaldehyde are ______.
Which of the following compounds does not react with bromine in alkaline medium?
Phenol is obtained from cumene ____________.
Cumene is used in the commercial method for the manufacture of ____________.
____________ will NOT undergo acetylation.
Phenoxide ion is more stable than phenol due to the ____________.
Identify reagents X, Y and Z.
Which of the following conversion explains the acidic nature of alcohols?
Which following reagent is used to obtain alkene from alcohol?
Which among the following compounds is used to prepare solid fuel using calcium acetate?
Identify the reagent A used in the following conversion.
\[\ce{Phenol ->[A] Benzoquinone}\]
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
Identify the alcohol that reacts immediately with Lucas reagent?
Identify the product obtained when phenol is treated with bromine water?
The acid, which contains both -OH and -COOR groups is ______.
What is the product obtained in Reimer - Tiemann reaction?
Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.
Write the chemical reaction when hot copper is treated with Vapours of 2° (secondary) alcohol.
Explain: Phenols are acid while alcohol is neutral.
Propene can be converted into propan-1-ol by:
