Advertisements
Advertisements
Question
Name the reagents used to convert phenol into
- picric acid
- p-benzoquinone
Advertisements
Solution
- Concentrated nitric acid in the presence of conc. H2SO4 is used to convert phenol into picric acid.
- Chromic anhydride or sodium dichromate in the presence of H2SO4 is used to convert phenol into p-benzoquinone.
APPEARS IN
RELATED QUESTIONS
Write two points of difference between the properties of phenol and ethyl alcohol.
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
Oxidation of ethyl alcohol using K2Cr2O7/dil H2SO4 leads to formation of _______________
Write the reaction involved in the preparation of phenol from benzene sulphonic acid.
Write Kolbe’s reaction.
Write chemical equation of acetyl chloride with phenol
How will you bring about the following conversions?
2-methyl propan-2-ol to 2-methylpropene
In the Lucas test for alcohols, the appearance of turbidity is due to the formation of ____________.
____________ is used for silvering mirrors.
Which of the following compounds is obtained, when phenol react with bromine water?
In phenols, −OH group is attached to ___________ hybridised carbon.
Sodium metal with ethyl alcohol gives __________ gas.
Cumene is used in the commercial method for the manufacture of ____________.
Which of the following is INCORRECT regarding phenol?
Which of the following reagents is used to convert phenol to benzene?
Which of the following conversion explains the acidic nature of alcohols?
Which of the following alcohols is least soluble in water?
A reaction of phenol with chloroform in presence of sodium hydroxide to form salicylaldehyde is known as ____________.
Identify the compound having highest boiling point from the following?
Ethyl alcohol can be prepared from a Grignard reagent by the reaction of ______.
The acid, which contains both -OH and -COOR groups is ______.
What is the product formed when aniline is treated with \[\ce{NaNO2 + HCl}\] previous to hydrolysis?
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 2° (secondary) alcohol.
Convert the following :
cumene to phenol.
Propene can be converted into propan-1-ol by:
Which of the following is trihydric phenol?
