Advertisements
Advertisements
Question
Write Kolbe’s reaction.
Advertisements
Solution
The treatment of sodium phenoxide with carbon dioxide at 398 K under the pressure of 6 atm followed by acid-hydrolysis, salicylic acid (o-hydroxybenzoic acid) is formed. This reaction is known as Kolbe’s reaction.
APPEARS IN
RELATED QUESTIONS
Choose the correct option.
Which is the most resistant alcohol towards oxidation reaction among the following?
Answer in one sentence/ word.
Write the IUPAC name of alcohol having molecular formula C4H10O which is resistant towards oxidation.
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
The reagents used to convert phenol to 2,4,6-tribromophenol is _____________
Write the name of major product when anisole reacts HI at 398 K
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
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 of the following compounds does not react with bromine in alkaline medium?
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 ______.
Which of following elements does not react with hot concentrated sulphuric acid?
What is the product of the following reaction?
\[\ce{CH3 - CH2 - CH2 - OH ->[conc. H2SO4][\Delta]}\]
Identify 'A' and 'B' in the following series of reactions.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
____________ will NOT undergo acetylation.
Which of the following is INCORRECT regarding phenol?
Which among the following is allylic secondary alcohol?
Which of the following compounds does NOT react with sodium metal?
Which of the following on oxidation yields ethyl methyl ketone?
A reaction of phenol with chloroform in presence of sodium hydroxide to form salicylaldehyde is known as ____________.
Which of the following alcohols is NOT prepared by reduction of carbonyl compounds?
Which among the following is not the method of preparation of phenol?
Which of the following compounds reacts immediately with Lucas reagent?
The chemical test that distinguish between benzoic acid and phenol is ______.
Arrange O - H, C - H and N - H bonds in increasing order of their bond polarity.
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.
