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प्रश्न
Name the reagent used in the following reaction:
Bromination of phenol to 2, 4, 6-tribromophenol.
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उत्तर
Aqueous bromine, i.e., Br2/H2O, is used in the bromination of phenol to 2, 4, 6-tribromophenol.
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संबंधित प्रश्न
Write the main product(s) in each of the following reactions:
Write the structures of A, B, C, D and E in the following reactions:
Write the equation involved in the following reaction:
Reimer-Tiemann reaction
Write the equation involved in the following reaction:
Kolbe’s reaction
Explain the following with an example.
Kolbe’s reaction.
Picric acid is ____________.
The electrophile involved in Reimer-Tiemann reaction of phenol with CHCl3 in presence of NaOH:
Which of the following species can act as the strongest base?
\[\ce{C2H5OH + SOCl2 ->[Pyridine] C2H5Cl + SO2 + HCl}\]
The above reaction is known as:
Which of the following reactions is used to prepare salicylaldehyde?
Which of the following are benzylic alcohols?
(i) \[\ce{C6H5 - CH2 - CH2OH}\]
(ii) \[\ce{C6H5 - CH2OH}\]
(iii) \[\begin{array}{cc}
\ce{C6H5 - CH - OH}\\
\phantom{}|\phantom{.}\\
\phantom{..}\ce{CH3}\phantom{}
\end{array}\]
(iv) \[\begin{array}{cc}
\ce{C6H5 - CH2 - CH - OH}\\
\phantom{.......}|\phantom{}\\
\phantom{.........}\ce{CH3}\phantom{}
\end{array}\]
Which of the following is not aromatic?
Attacking species in nitration of benzene in presence of fuming HNO3 is
Which of the following reacts with phenol to give salicylaldehyde after hydrolysis?
Why ortho-nitrophenol is steam volatile while para-nitrophenol is not?
Write the chemical equation involved in the following reactions:
Acetylation of salicylic add
For the pair phenol and cyclohexanol, answer the following:
Give one chemical test to distinguish between the two.
Convert the following by giving a chemical equation:
Phenol to salicylaldehyde.
