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प्रश्न
Write preparation of diethyl ether.
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उत्तर
When ethyl bromide is heated with sodium ethoxide, diethyl ether is formed.
\[\ce{\underset{(Ethyl bromide)}{C2H5Br} + \underset{(Sodium ethoxide)}{C2H5 - O - Na} -> \underset{(Diethyl ether)}{C2H5 - O - C2H5} + NaBr}\]
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संबंधित प्रश्न
Anisole on heating with concentrated HI gives ______.
Write the reaction between ethanol and acetic anhydride.
Explain the fact that in alkyl aryl ethers, the alkoxy group is ring activating and ortho/para directing towards electrophilic aromatic substitution.
How will you prepare diethyl ether by dehydration of alcohol?
What are the limitations to prepare ether by this method?
In the following reaction:
\[\ce{Ether ->[Hot HI] A + B + H2O}\],
If A and B are identical, the ether is ____________.
Which of the following compounds does not contain \[\begin{array}{cc}\backslash\phantom{......}\\\ce{C = O}\\
/\phantom{......}\\\end{array}\] group?
For the preparation of mixed ethers by Williamson synthesis, which of the following combination will give the best yield?
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 ____________.
When methoxy benzene reacts with HI at room temperature the products formed are ______.
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 ______.
Tert-butyl methyl ether on treatment with hydrogen iodide in cold gives ______.
Formation of diethyl ether from ethanol is based oh a ______.
Why ethers possess a small net dipole moment?
Explain Williamson's synthesis.
