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प्रश्न
Write the reaction involved in the preparation of phenol from benzene sulphonic acid.
How will you convert the following? (Write a chemical equation.)
Phenol from benzene sulphonic acid.
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उत्तर
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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.
Hydroboration-oxidation of propene gives _________.
Arrange the following in decreasing order of acid strength.
CH3OH, CH3–CH2–OH, CH3–CH(OH)–CH3, (CH3)3–C–OH
Write the name of major product when anisole reacts HI at 398 K
Draw intramolecular hydrogen bonding structure in o-nitrophenol.
What is the action of following on phenol at low temperature?
- dil. HNO3
- conc. H2SO4
- Br2/CS2
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
In the Lucas test for alcohols, the appearance of turbidity is due to the formation of ____________.
Which of the following compounds does not react with bromine in alkaline medium?
In phenols, −OH group is attached to ___________ hybridised carbon.
The secondary alcohol is ____________.
Identify 'A' and 'B' in the following series of reactions.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
Carbolic acid is oxidised by acidified sodium dichromate to give ______.
____________ will NOT undergo acetylation.
Phenoxide ion is more stable than phenol due to the ____________.
The number of moles of hydrogen gas formed when 2 moles of 2-methylpropan-2-ol reacts with aluminium is ____________.
Identify the product B in following conversion.
\[\ce{Chlorobenzene + H2O ->[Cu, 673 K][Pressure] A ->[conc. H2SO4][373 K] B}\]
Which isomer of C4H10O is optically active?
Which among the following compounds is used to prepare solid fuel using calcium acetate?
The number of σ bonds in carbolic acid is ______.
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
The compound which reacts fastest with Lucas reagent at room temperature is ______.
Name the catalyst used in commercial method of preparation of phenol.
What is the product obtained in Reimer - Tiemann reaction?
The product C in the following reaction is
Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
