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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
Answer in one sentence/ word.
Write the IUPAC name of alcohol having molecular formula C4H10O which is resistant towards oxidation.
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
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?
2-methyl propan-2-ol to 2-methylpropene
An organic compound gives hydrogen on reaction with sodium metal. It forms an aldehyde with molecular formula C2H4O on oxidation with pyridinium chlorochromate. Give the chemical equations in support of these observations.
Phenol is obtained from cumene ____________.
Sodium metal with ethyl alcohol gives __________ gas.
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
Which of following elements does not react with hot concentrated sulphuric acid?
In Dow process, chlorobenzene is converted into phenol by ____________.
Which of the following alcohols has tertiary allylic carbon?
Which of the following reagents is used to convert phenol to benzene?
In Raschig's method for synthesis of phenol, the reactants used are ____________.
(I)
(II) \[\ce{P + Zn ->[\Delta] Q}\]
(III) \[\ce{P ->[Na2Cr2O7][H2SO4] R}\]
Q and R are respectively:
Which among the following compounds is used to prepare solid fuel using calcium acetate?
Which of the following alcohols is least soluble in water?
The number of σ bonds in carbolic acid is ______.
Identify the product obtained when phenol is treated with bromine water?
Identify the compound having highest boiling point from the following?
Identify the product X in the following reaction.
\[\ce{Phenol ->[Na2Cr2O7][H2SO4] X}\]
The compound which reacts fastest with Lucas reagent at room temperature is ______.
The acid, which contains both -OH and -COOR groups is ______.
Arrange O - H, C - H and N - H bonds in increasing order of their bond polarity.
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.
Explain: Phenols are acid while alcohol is neutral.
