Advertisements
Advertisements
Question
Answer in brief.
Give the reagents and conditions necessary to prepare phenol from Benzene sulfonic acid.
Advertisements
Solution
Reagents and conditions required to prepare phenol from:
Benzene sulfonic acid
Reagents: NaOH, Solid NaOH, dil HCl
Conditions: Temperature 573 K
APPEARS IN
RELATED QUESTIONS
Answer in brief.
Explain why phenol is more acidic than ethyl alcohol.
An ether (A), C5H12O, when heated with excess of hot HI produce two alkyl halides which on hydrolysis form compound (B) and (C), oxidation of (B) gave and acid (D), whereas oxidation of (C) gave a ketone (E). Deduce the structural formula of (A), (B), (C), (D), and (E).
Draw intramolecular hydrogen bonding structure in o-nitrophenol.
Name the reagents used to convert phenol into
- picric acid
- p-benzoquinone
Write chemical equation of acetyl chloride with phenol
How will you bring about the following conversions?
isopropyl alcohol to acetone
How will you bring about the following conversions?
2-methyl propan-2-ol to 2-methylpropene
What is the action of conc. H2SO4 on carbolic acid at 373 K.
In the Lucas test for alcohols, the appearance of turbidity is due to the formation of ____________.
Which of the following compounds does not react with bromine in alkaline medium?
Which of the following compounds is obtained, when phenol react with bromine water?
In phenols, −OH group is attached to ___________ hybridised carbon.
Cumene is used in the commercial method for the manufacture of ____________.
Carbolic acid is oxidised by acidified sodium dichromate to give ______.
____________ will NOT undergo acetylation.
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 ____________.
The number of moles of hydrogen gas formed when 2 moles of 2-methylpropan-2-ol reacts with aluminium is ____________.
Identify the product B in following conversion.
\[\ce{Chlorobenzene + H2O ->[Cu, 673 K][Pressure] A ->[conc. H2SO4][373 K] B}\]
Which among the following compounds is used to prepare solid fuel using calcium acetate?
Identify the product obtained when phenol is treated with bromine water?
The compound which reacts fastest with Lucas reagent at room temperature is ______.
The acid, which contains both -OH and -COOR groups is ______.
Amongst the following alcohols which would react fastest with cone. HCl and ZnCl2?
Which of the following compounds has lowest boiling point?
What is the action of nitrous acid on aniline?
Write chemical reaction when hot copper is treated with Vapours of 3° (tertiary) alcohol.
Explain: Phenols are acid while alcohol is neutral.
