Advertisements
Advertisements
प्रश्न
Write the reactions for the preparation of carbolic acid from aniline.
Advertisements
उत्तर
Aniline is treated with nitrous acid [NaNO2 + HCl] at low temperature to obtain benzene diazonium chloride, which on hydrolysis gives carbolic acid (phenol).
APPEARS IN
संबंधित प्रश्न
Answer in one sentence/ word.
Hydroboration-oxidation of propene gives _________.
Answer in one sentence/ word.
Write the name of the electrophile used in Kolbe’s Reaction.
Write two points of difference between the properties of phenol and ethyl alcohol.
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
Answer in brief.
Give the reagents and conditions necessary to prepare phenol from Benzene sulfonic acid.
Answer in brief.
Give the equations of the reactions for the preparation of phenol from isopropyl benezene.
Answer in brief.
Give a simple chemical test to distinguish between ethanol and ethyl bromide.
Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________
The reagents used to convert phenol to 2,4,6-tribromophenol is _____________
With the help of chemical equations show what happens when cumene hydroperoxide is treated with dil. acid.
How will you bring about the following conversions?
isopropyl alcohol to acetone
How will you bring about the following conversions?
2-methyl propan-2-ol to 2-methylpropene
Bromination of phenol, will NOT give:
What is the product of the following reaction?
\[\ce{CH3 - CH2 - CH2 - OH ->[conc. H2SO4][\Delta]}\]
Which of the following is INCORRECT regarding phenol?
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
Identify reagents X, Y and Z.
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 of the following on oxidation yields ethyl methyl ketone?
Identify the alcohol that reacts immediately with Lucas reagent?
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?
Amongst the following alcohols which would react fastest with cone. HCl and ZnCl2?
What is the product formed when aniline is treated with \[\ce{NaNO2 + HCl}\] previous to hydrolysis?
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
Explain: Phenols are acid while alcohol is neutral.
Propene can be converted into propan-1-ol by:
