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प्रश्न
Explain why p-nitrophenol is more acidic than phenol.
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उत्तर
The electron-withdrawing group (−NO2), withdraws electrons and disperses the negative charge. Therefore, the −NO2 group stabilizes the phenoxide ion. Hence p-nitrophenol is more acidic than phenol.
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संबंधित प्रश्न
What is metamerism?
Explain metamerism with suitable examples of ethers
Name the following compound according to IUPAC system.
\[\begin{array}{cc}
\phantom{........................}\ce{CH2OH}\\
\phantom{..................}|\\
\ce{CH3 - CH - CH2 - CH - CH - CH3}\\
\phantom{}|\phantom{.............}|\phantom{........}\\
\phantom{..}\ce{CH3}\phantom{..........}\ce{OH}\phantom{........}
\end{array}\]
Write IUPAC name of the following compound:
\[\begin{array}{cc}
\ce{CH3 - CH - CH - CH3}\\
|\phantom{......}|\phantom{..}\\
\ce{OH}\phantom{...}\ce{OH}\phantom{}
\end{array}\]
Write IUPAC name of the following compound:
Give IUPAC name of the following ether:
CH3OCH2CH2Cl
Write the structures of the products when Butan-2-ol reacts with CrO3
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
Propanoic acid to ethylamine.
Resorcinol on distillation with zinc dust gives _________.
The compound HOCH2 – CH2OH is __________.
Butane-2-ol is ____________.
Ethyl alcohol is industrially prepared from ethylene by:
\[\ce{Phenol ->[Zn, dust] 'X' ->[CH3Cl][Anhy. AlCl3] 'Y' ->[Alkaline][KMnO4] 'Z'}\]
The product ‘Z’ is:
IUPAC name of m-cresol is ______.
Assertion: IUPAC name of the compound
\[\begin{array}{cc}
\ce{CH3 - CH - O - CH2 - CH2 - CH3}\\
|\phantom{....................}\\
\ce{CH3}\phantom{.................}
\end{array}\] is 2-Ethoxy-2-methylethane.
Reason: In IUPAC nomenclature, ether is regarded as hydrocarbon derivative in which a hydrogen atom is replaced by —OR or —OAr group [where R = alkyl group and Ar = aryl group]
How can phenol be converted to aspirin?
Convert the following:
Ethyl alcohol into ethyl acetate.
