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प्रश्न
How do you convert the following :
Ethanol to Propan-2-ol
उत्तर
\[\ce{\underset{\text{Ethanol}}{CH3CH2OH}->[PCC]CH3CHO}\]
\[\begin{array}{cc}
\ce{CH3CHO + CH3MgBr->CH3CHCH3->[H2O]CH3CHCH3}\\
\phantom{.............................}|\phantom{.................}|\phantom{...}\\
\phantom{...............................}\ce{O-MgBr}
\phantom{......}\ce{\underset{\text{Propan-2-ol}}{OH}}
\end{array}\]
संबंधित प्रश्न
Write the mechanism of the following reaction :
\[\ce{C2H5OH->[H2SO4][443K]CH2=CH2 + H2O}\]
Wood spirit is known as acetone:
Phenol can be distinguished from ethanol by the reactions with:
(i) \[\ce{Br2/water}\]
(ii) \[\ce{Na}\]
(iii) Neutral \[\ce{FeCl3}\]
(iv) All the above
What is denatured alcohol?
Out of 2-chloroethanol and ethanol which is more acidic and why?
Arrange the following compounds in increasing order of acidity and give a suitable explanation.
Phenol, o-nitrophenol, o-cresol
Name the enzymes and write the reactions involved in the preparation of ethanol from sucrose by fermentation.
Match the items of column I with items of column II.
Column I | Column II | |
(i) | Methanol | (a) Conversion of phenol to o-hydroxysalicylic acid |
(ii) | Kolbe’s reaction | (b) Ethyl alcohol |
(iii) | Williamson’s synthesis | (c) Conversion of phenol to salicylaldehyde |
(iv) | Conversion of 2° alcohol to ketone | (d) Wood spirit |
(v) | Reimer-Tiemann reaction | (e) Heated copper at 573 K |
(vi) | Fermentation | (f) Reaction of alkyl halide with sodium alkoxide |
Convert the following:
Propanenitrile to ethanol.
Alcoholic fermentation is brought about by the action of