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प्रश्न
Write complete reaction for the bromination of phenol in aqueous and non-aqueous medium.
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उत्तर
When phenol is treated with bromine water. 2, 4, 6-tribromophenol is formed as while precipitate:
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संबंधित प्रश्न
Name the following compound according to IUPAC system.
\[\begin{array}{cc}
\phantom{............}\ce{CH2OH}\\
\phantom{......}|\\
\ce{CH3 - CH2 - CH - CH - CH - CH3}\\
\phantom{......}|\phantom{............}|\phantom{.}\\
\phantom{........}\ce{CH2Cl}\phantom{......}\ce{CH3}\phantom{}
\end{array}\]
Write IUPAC name of the following compound:
C6H5 – O – C2H5
Give IUPAC name of the following ether:
CH3OCH2CH2Cl
What is the action of hot HI on it?
How is phenol converted into the following?
Benzene
How is phenol converted into the following?
picric acid
Glycerol is ____________.
3-methylphenol is called ____________.
The compound HOCH2 – CH2OH is __________.
Cresol has ____________.
Ethyl alcohol is industrially prepared from ethylene by:
IUPAC name of m-cresol is ____________.
Ethylene reacts with Baeyer’s reagent to give ______.
The IUPAC name of the ether CH2 = CH–CH2OCH3 is:
The heating of phenyl methyl ether with HI produces:
Among the following sets of reactants which one produces anisole?
Which of the following reagents can be used to oxidise primary alcohols to aldehydes?
(i) \[\ce{CrO3}\] in anhydrous medium.
(ii) \[\ce{KMnO4}\] in acidic medium.
(iii) Pyridinium chlorochromate.
(iv) Heat in the presence of Cu at 573 K.
Assertion: Like bromination of benzene, bromination of phenol is also carried out in the presence of Lewis acid.
Reason: Lewis acid polarises the bromine molecule.
Identify A and B in the following:
Write the IUPAC name of the following compound:
\[\begin{array}{cc}
\phantom{...............}\ce{CH3}\\
\phantom{.............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3}\phantom{..}\ce{OH}\phantom{...}\ce{CH3}
\end{array}\]
