Advertisements
Advertisements
प्रश्न
Answer in brief.
Give the reagents and conditions necessary to prepare phenol from Benzene sulfonic acid.
Advertisements
उत्तर
Reagents and conditions required to prepare phenol from:
Benzene sulfonic acid
Reagents: NaOH, Solid NaOH, dil HCl
Conditions: Temperature 573 K
APPEARS IN
संबंधित प्रश्न
Answer in one sentence/ word.
Write the name of the electrophile used in Kolbe’s Reaction.
Answer in brief.
Explain why phenol is more acidic than ethyl alcohol.
Answer in brief.
Explain why p-nitrophenol is a stronger acid than phenol.
Answer in brief.
Give a simple chemical test to distinguish between ethanol and ethyl bromide.
Reaction between hot conc. HI and anisole gives ______________
Write chemical equation of acetyl chloride with phenol
An organic compound gives hydrogen on reaction with sodium metal. It forms an aldehyde with molecular formula C2H4O on oxidation with pyridinium chlorochromate. Give the chemical equations in support of these observations.
Which alcohol is difficult to oxidise?
Which of the following reagents are required in the conversion of phenol to salicylic acid?
The CORRECT decreasing order of boiling points for isomeric primary (1°), secondary (2°) and tertiary (3°) alcohols is ____________.
Phenol is ____________.
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 ______.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
Carbolic acid is oxidised by acidified sodium dichromate to give ______.
In Dow process, chlorobenzene is converted into phenol by ____________.
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 isomer of C4H10O is optically active?
Which among the following compounds is used to prepare solid fuel using calcium acetate?
Which of the following alcohols is least soluble in water?
The number of σ bonds in carbolic acid is ______.
The compound which reacts fastest with Lucas reagent at room temperature is ______.
Amongst the following alcohols which would react fastest with cone. HCl and ZnCl2?
The chemical test that distinguish between benzoic acid and phenol is ______.
The major product obtained in the following reaction is
