Advertisements
Advertisements
प्रश्न
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
Advertisements
उत्तर
The reagents and conditions required to prepare phenol from chlorobenzene are:
Reagents: \[\ce{NaOH, dil HCl}\]
Conditions: Temperature 623 K and Pressure 300 atm
APPEARS IN
संबंधित प्रश्न
Answer in one sentence/ word.
Write the name of the electrophile used in Kolbe’s Reaction.
Answer in brief.
Give the equations of the reactions for the preparation of phenol from isopropyl benezene.
Oxidation of ethyl alcohol using K2Cr2O7/dil H2SO4 leads to formation of _______________
Write IUPAC name of crotonyl alcohol.
Write the reaction to get aspirin from salicylic acid.
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.
An unknown alcohol is treated with Lucas reagent. Explain how you will determine whether the alcohol is primary, secondary or tertiary. Indicate by chemical equation the reaction between isopropyl alcohol and Lucas reagent.
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.
Phenol reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.
Number of oxygen atoms present in salicylaldehyde are ______.
In the Lucas test for alcohols, the appearance of turbidity is due to the formation of ____________.
In phenols, −OH group is attached to ___________ hybridised carbon.
The secondary alcohol is ____________.
What is the product of the following reaction?
\[\ce{CH3 - CH2 - CH2 - OH ->[conc. H2SO4][\Delta]}\]
____________ will NOT undergo acetylation.
Which of the following alcohols has tertiary allylic carbon?
Which of the following alcohols is least soluble in water?
Which of the following compounds does NOT react with sodium metal?
Identify the alcohol that reacts immediately with Lucas reagent?
Which of the following alcohols is NOT prepared by reduction of carbonyl compounds?
Ethyl alcohol can be prepared from a Grignard reagent by the reaction of ______.
Product (B) in this reaction is:
Which of the following compounds has lowest boiling point?
Explain the reaction of 1° and 2° alcohol with oxidising agent chromic anhydride (CrO3).
Convert the following :
cumene to phenol.
Arrange the following compounds in order of decreasing acidity:
