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प्रश्न
Answer in brief.
Give the equations of the reactions for the preparation of phenol from isopropyl benezene.
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उत्तर
Isopropylbenzene: This is the commercial method of preparation of phenol. Isopropylbenzene (Cumene) on air oxidation in presence of Conaphthenate gives cumene hydroperoxide, which on decomposition with dilute acid gives phenol with acetone as a valuable by-product.
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संबंधित प्रश्न
Answer in one sentence/ word.
Write the IUPAC name of alcohol having molecular formula C4H10O which is resistant towards oxidation.
Write two points of difference between the properties of phenol and ethyl alcohol.
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
When vapours of tert.butyl alcohol are passed over hot copper, it gives _____________
Write IUPAC name of crotonyl alcohol.
Write the name of major product when anisole reacts HI at 398 K
Draw intramolecular hydrogen bonding structure in o-nitrophenol.
Bromination of phenol, will NOT give:
The secondary alcohol is ____________.
Identify 'A' and 'B' in the following series of reactions.
Which of the following reagents is used to convert phenol to benzene?
What is INCORRECT about the product written in the below given reaction?
\[\ce{R - CH2 - OH ->[PCC] R - COOH}\]
Which isomer of C4H10O is optically active?
Which following reagent is used to obtain alkene from alcohol?
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 ______.
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
The acid, which contains both -OH and -COOR groups is ______.
What is the product obtained in Reimer - Tiemann reaction?
What is the action of nitrous acid on aniline?
Arrange the following compounds in an increasing order of their solubility in water:
Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.
Write chemical reaction when hot copper is treated with Vapours of 3° (tertiary) alcohol.
Explain: Phenols are acid while alcohol is neutral.
Arrange the following compounds in order of decreasing acidity:
