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प्रश्न
What is the action of conc. H2SO4 on carbolic acid at 373 K.
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उत्तर
At 373 K, carbolic acid (phenol) reacts with concentrated sulphuric acid to form p-phenolsulfonic acid.
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संबंधित प्रश्न
Choose the correct option.
Which is the most resistant alcohol towards oxidation reaction among the following?
Answer in one sentence/ word.
Write the IUPAC name of alcohol having molecular formula C4H10O which is resistant towards oxidation.
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
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.
An ether (A), C5H12O, when heated with excess of hot HI produce two alkyl halides which on hydrolysis form compound (B) and (C), oxidation of (B) gave and acid (D), whereas oxidation of (C) gave a ketone (E). Deduce the structural formula of (A), (B), (C), (D), and (E).
How will you bring about the following conversions?
isopropyl alcohol to acetone
Write the reactions for the preparation of carbolic acid from aniline.
Which of the following compounds is obtained, when phenol react with bromine water?
Phenol is ____________.
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
Cumene is used in the commercial method for the manufacture of ____________.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
In Dow process, chlorobenzene is converted into phenol by ____________.
Which of the following alcohols has tertiary allylic carbon?
(I)
(II) \[\ce{P + Zn ->[\Delta] Q}\]
(III) \[\ce{P ->[Na2Cr2O7][H2SO4] R}\]
Q and R are respectively:
Which of the following conversion explains the acidic nature of alcohols?
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?
Which of the following alcohols is NOT prepared by reduction of carbonyl compounds?
The compound which reacts fastest with Lucas reagent at room temperature is ______.
Which among the following phenolic compound is most acidic in nature?
Which among the following is not the method of preparation of phenol?
What is the product obtained in Reimer - Tiemann reaction?
Explain the reaction of 1° and 2° alcohol with oxidising agent chromic anhydride (CrO3).
Convert the following :
cumene to phenol.
Propene can be converted into propan-1-ol by:
