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प्रश्न
Write the reaction between ethanol and acetic anhydride.
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उत्तर
Ethanol reacts with acetic anhydride in presence of an acid catalyst to form a corresponding ester.
\[\begin{array}{cc}
\phantom{................}\ce{O}\phantom{.................}\ce{O}\phantom{.......................}\ce{O}\phantom{}\\
\phantom{................}||\phantom{..................}||\phantom{.......................}||\phantom{}\\
\ce{\underset{\text{Ethanol}}{C2H5 - OH} + \underset{\text{Acetic anhydride}}{(CH3 - C -)2O} ⇌[H+] \underset{\text{Ethyl ethanoate}}{CH3 - C - O - C2H5} + \underset{\text{Ethanoic acid}}{CH3 - C - OH}}
\end{array}\]
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संबंधित प्रश्न
Choose the correct option.
Ethers react with cold and concentrated H2SO4 to form ________.
What is the action of atmospheric oxygen on ethers?
How will you prepare diethyl ether by dehydration of alcohol?
What are the limitations to prepare ether by this method?
What is the action of following on diethyl ether?
dil. H2SO4
What is the action of following on diethyl ether?
PCl5
In the following reaction:
\[\ce{Ether ->[Hot HI] A + B + H2O}\],
If A and B are identical, the ether is ____________.
Action of hydrogen iodide on anisole gives ______.
____________ on heating with excess of conc. HI gives two moles of ethyl iodide.
Which of the following statements is INCORRECT for ethers?
In ethers, two C-O sigma bonds are formed by ____________ overlap.
A mixed ether on hydrolysis gives ____________.
To prepare ethanol from methyl magnesium bromide, the other reagent required is ____________.
What are the products of the following reaction?
\[\ce{(CH3)3C - O - CH3 + HI ->[cold] ?}\]
Ether is obtained from ethyl alcohol in presence of H2SO4 at _______.
The major product of the reaction between tert-butyl chloride and sodium ethoxide is ______.
The compound which is not formed when a mixture of n-butyl bromide and ethyl bromide treated with sodium metal in the presence of dry ether is ______.
Isopropyl methyl ether when treated with cold hydrogen iodide gives ______.
Formation of diethyl ether from ethanol is based oh a ______.
Ethers when dissolved in cold concentrated sulphuric acid forms ______.
Why ethers possess a small net dipole moment?
Explain Williamson's synthesis.
Write preparation of diethyl ether.
In Williamson synthesis, if a tertiary alkyl halide is used, then ______.
