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प्रश्न
How can phenol be converted to aspirin?
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उत्तर
2-hydroxybenzoic acid on treatment with acetic anhydride will give asprin.
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संबंधित प्रश्न
Write the IUPAC name of the following compound:
\[\begin{array}{cc}
\ce{H3C - CH - CH2 - CH - CH - CH2 - CH3}\\
|\phantom{....................}|\phantom{.........}|\phantom{.............}\\
\ce{OH}\phantom{................}\ce{OH}\phantom{...}\ce{C{_2}H5}\phantom{.........}\\
\end{array}\]
Write the IUPAC name of the following compound:
Write IUPAC name of the following compound:
Write the IUPAC name of the following compound:
C6H5 – O – C2H5
- Draw the structures of all isomeric alcohols of molecular formula C5H12O and give their IUPAC names.
- Classify the isomers of alcohols in the above question as primary, secondary and tertiary alcohols.
Write IUPAC name of the following compound (CH3)2 N − CH2CH3
Write the IUPAC name of the following :
In the dehydration of alcohols to alkenes by heating with concentrated sulphuric acid, the initiation step is:
(1) formation of carbonation
(2) formation of an ester
(3) protonation of the alcohol molecule
(4) elimination of water
Write structural formula for pentane-1,4-diol.
3-methylphenol is called ____________.
n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent?
1-Propanol and 2-propanol can be best distinguished by:
The IUPAC name of the ether CH2 = CH–CH2OCH3 is:
The major product formed by the reaction:
\[\begin{array}{cc}
\ce{CH3CH-CH2Br ->[CH3O^-][CH3OH] is}\\
|\phantom{................}\\
\ce{CH3}\phantom{.............}
\end{array}\]
Among the following sets of reactants which one produces anisole?
What happens when benzene diazonium chloride is heated with water?
Match the structures of the compounds given in Column I with the name of the compounds given in Column II.
| Column I | Column II | |
| (i) |  |
(a) Hydroquinone |
| (ii) |  |
(b) Phenetole |
| (iii) |  |
(c) Catechol |
| (iv) |  |
(d) o-Cresol |
| (v) |  |
(e) guinone |
| (vi) |  |
(f) Resorcinol |
| (g) Anisole |
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.
Write the IUPAC name of the following compound.
Draw structure of the following compound.
Prop-2-en-1-ol
