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
Answer in one sentence/ word.
Hydroboration-oxidation of propene gives _________.
Write two points of difference between the properties of phenol and ethyl alcohol.
Answer in brief.
Give the reagents and conditions necessary to prepare phenol from Benzene sulfonic acid.
Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________
When vapours of tert.butyl alcohol are passed over hot copper, it gives _____________
Write the reaction to get aspirin from salicylic acid.
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 the reaction involved in the preparation of phenol from benzene sulphonic acid.
Name the reagents used to convert phenol into
- picric acid
- p-benzoquinone
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.
Which of the following compounds does not react with bromine in alkaline medium?
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
The number of isomeric alcohols possible with the formula C4H10O is ____________.
Cumene is used in the commercial method for the manufacture of ____________.
What is the product of the following reaction?
\[\ce{CH3 - CH2 - CH2 - OH ->[conc. H2SO4][\Delta]}\]
Phenoxide ion is more stable than phenol due to the ____________.
\[\ce{Isopropyl alcohol + acidic K2Cr2O7 -> X}\]
Identify product 'X' in the above reactions.
What is INCORRECT about the product written in the below given reaction?
\[\ce{R - CH2 - OH ->[PCC] R - COOH}\]
Identify the product B in following conversion.
\[\ce{Chlorobenzene + H2O ->[Cu, 673 K][Pressure] A ->[conc. H2SO4][373 K] B}\]
Which isomer of C4H10O is optically active?
Identify the compound having highest boiling point from the following?
Amongst the following alcohols which would react fastest with cone. HCl and ZnCl2?
Which of the following compounds has lowest boiling point?
The order of reactivity of hydrogen halides with ether is as follows.
Propene can be converted into propan-1-ol by:
What is the commercial method of preparation of phenol?
Which of the following is primary benzylic alcohol?
