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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?
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.
Oxidation of ethyl alcohol using K2Cr2O7/dil H2SO4 leads to formation of _______________
What is the action of following on phenol at low temperature?
- dil. HNO3
- conc. H2SO4
- Br2/CS2
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Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
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\[\ce{CH3 - CH2 - CH2 - OH ->[conc. H2SO4][\Delta]}\]
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
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In Dow process, chlorobenzene is converted into phenol by ____________.
____________ will NOT undergo acetylation.
Which of the following is INCORRECT regarding phenol?
The most resistant alcohol towards oxidation reaction is:
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\[\ce{R - CH2 - OH ->[PCC] R - COOH}\]
Which of the following conversion explains the acidic nature of alcohols?
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Which among the following compounds is used to prepare solid fuel using calcium acetate?
The compound which reacts fastest with Lucas reagent at room temperature is ______.
What is the product obtained in Reimer - Tiemann reaction?
What is the action of nitrous acid on aniline?
Arrange the following compounds in an increasing order of their solubility in water:
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 2° (secondary) alcohol.
