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प्रश्न
Write the preparation of ethanol from methyl magnesium iodide.
Prepare the following by using methyl magnesium iodide:
Ethanol
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उत्तर
Methyl magnesium iodide reacts with formaldehyde to form an adduct, which on hydrolysis with dilute acid gives ethanol.
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संबंधित प्रश्न
Anisole on heating with concentrated HI gives ______.
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?
What is the action of following on diethyl ether?
dil. H2SO4
What is the action of following on diethyl ether?
PCl5
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?
____________ on heating with excess of conc. HI gives two moles of ethyl iodide.
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?
\[\ce{(CH3)3C - O - CH3 + HI ->[cold] ?}\]
Which of the following compounds does NOT contain \[\begin{array}{cc}\backslash\phantom{.......}\\\ce{C = O}\\
/\phantom{.......}\\\end{array}\] group?
Ether is obtained from ethyl alcohol in presence of H2SO4 at _______.
Isopropyl methyl ether when treated with cold hydrogen iodide gives ______.
Tert-butyl methyl ether on treatment with hydrogen iodide in cold gives ______.
Ethers when dissolved in cold concentrated sulphuric acid forms ______.
Explain Williamson's synthesis.
Write preparation of diethyl ether.
In Williamson synthesis, if a tertiary alkyl halide is used, then ______.
