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प्रश्न
Suggest a reagent for conversion of ethanol to ethanal.
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उत्तर
\[\ce{CrO3}\], pyridine and HCl (Pyridinium chlorochromate, PCC) in \[\ce{CH2C12}\].
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संबंधित प्रश्न
Methanol and ethanol are miscible in water due to ____________.
Which of the following is correct?
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
Write the IUPAC name of the following compound.
\[\begin{array}{cc}
\phantom{.}\ce{CH3 - CH - CH - CH - CH - CH3}\phantom{}\\
\phantom{......}|\phantom{......}|\phantom{......}|\phantom{.....}|\phantom{........}\\
\phantom{...}\ce{CH3}\phantom{...}\ce{OH}\phantom{...}\ce{C2H5}\phantom{.}\ce{OH}\phantom{...}\end{array}\]
Out of 2-chloroethanol and ethanol which is more acidic and why?
Suggest a reagent for conversion of ethanol to ethanoic acid.
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.
The carbon-oxygen bond in phenol is slightly stronger than that in methanol. Why?
Match the items of column I with items of column II.
| Column I | Column II | |
| (i) | Antifreeze used in car engine | (a) Neutral ferric chloride |
| (ii) | Solvent used in perfumes | (b) Glycerol |
| (iii) | Starting material for picric acid | (c) Methanol |
| (iv) | Wood spirit | (d) Phenol |
| (v) | Reagent used for detection of phenolic group | (e) Ethleneglycol |
| (vi) | By product of soap industry used in cosmetics | (f) Ethanol |
Assertion: Ethanol is a weaker acid than phenol.
Reason: Sodium ethoxide may be prepared by the reaction of ethanol with aqueous \[\ce{NaOH}\].
Which reagent can convert acetic acid into ethanol?
Liquor poisoning is due to
If the starting material is 1-methyl-1,2-epoxy cyclopentane, of absolute configuration, decide which one compound correctly represents the product of its reaction with sodium methoxide in methanol.
How methanol is obtained from methanal.
Give IUPAC names of the following compounds:
\[\begin{array}{cc}
\ce{CH3 - CH - CH - CH - CH2-OH }\\
|\phantom{......}|\phantom{......}|\phantom{.......}\\
\ce{Cl}\phantom{....}\ce{CH3}\phantom{...}\ce{CH3}\phantom{.....}
\end{array}\]
