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प्रश्न
The reagents used to convert phenol to 2,4,6-tribromophenol is _____________
पर्याय
Br2/CS2
Br2/CCl4
Br2/H2O
KBr aq.
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उत्तर
The reagents used to convert phenol to 2,4,6-tribromophenol is Br2/H2O
संबंधित प्रश्न
Answer in one sentence/ word.
Write the IUPAC name of alcohol having molecular formula C4H10O which is resistant towards oxidation.
Reaction between hot conc. HI and anisole gives ______________
Write the reaction involved in the preparation of phenol from benzene sulphonic acid.
Write Kolbe’s reaction.
What is the action of following on phenol at low temperature?
- dil. HNO3
- conc. H2SO4
- Br2/CS2
An unknown alcohol is treated with Lucas reagent. Explain how you will determine whether the alcohol is primary, secondary or tertiary. Indicate by chemical equation the reaction between isopropyl alcohol and Lucas reagent.
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 reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.
Number of oxygen atoms present in salicylaldehyde are ______.
α-butylene when subjected to hydroboration oxidation reaction, yields ______.
Bromination of phenol, will NOT give:
The CORRECT decreasing order of boiling points for isomeric primary (1°), secondary (2°) and tertiary (3°) alcohols is ____________.
Cumene is used in the commercial method for the manufacture of ____________.
+I effect of alkyl groups in alcohols increases the stability of ____________.
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
Which of the following alcohols has tertiary allylic carbon?
Which of the following reagents is used to convert phenol to benzene?
The number of moles of hydrogen gas formed when 2 moles of 2-methylpropan-2-ol reacts with aluminium is ____________.
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?
Identify the reagent A used in the following conversion.
\[\ce{Phenol ->[A] Benzoquinone}\]
Identify the product obtained when phenol is treated with bromine water?
Identify the compound having highest boiling point from the following?
Which of the following compounds reacts immediately with Lucas reagent?
What is the product obtained in Reimer - Tiemann reaction?
Write the chemical reaction when hot copper is treated with Vapours of 2° (secondary) alcohol.
The structure of A in the given reaction is:
