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प्रश्न
Give the equation of the following reaction:
Treating phenol with chloroform in the presence of aqueous NaOH.
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संबंधित प्रश्न
Write the mechanism of the following reaction:
Write the mechanism of the following reaction :
Name the reagent used in the following reaction:
Oxidation of a primary alcohol to aldehyde.
Name the reagent used in the following reaction:
Benzyl alcohol to benzoic acid.
When 3-methylbutan-2-ol is treated with HBr, the following reaction takes place:
\[\begin{array}{cc}
\phantom{...................................}\ce{Br}\\
\phantom{..................................}|\\
\ce{CH3 - CH - CH - CH3 ->[HBr] CH3 - C - CH2 - CH3}\\
|\phantom{.........}|\phantom{...................................}|\phantom{...........}\\
\ce{CH3}\phantom{...}\ce{OH}\phantom{...............................}\ce{CH3}\phantom{.......}\\
\end{array}\]
Give a mechanism for this reaction.
(Hint: The secondary carbocation formed in step II rearranges to a more
stable tertiary carbocation by a hydride ion shift from 3rd carbon atom.)
The compound which reacts fastest with Lucas reagent at room temperature is:
By which of the following methods alcohol can be prepared in excellent yield?
Which of the following is not true in case of reaction with heated copper at 300°C?
Cyclohexene is best prepared from cyclohexanol by which of the following:
\[\ce{CH3CH2OH}\] can be converted into \[\ce{CH3CHO}\] by ______.
Identify the secondary alcohols from the following set:
- \[\ce{CH3CH2CH(OH)CH3}\]
- \[\ce{(C2H5)3COH}\]
Mark the correct increasing order of reactivity of the following compounds with HBr/HCl.
| (a) |  |
| (b) |  |
| (c) |  |
Name the factors responsible for the solubility of alcohols in water.
Suggest a reagent for the following conversion.
Ethers can be prepared by Williamson synthesis in which an alkyl halide is reacted with sodium alkoxide. Di-tert-butyl ether can’t be prepared by this method. Explain.
Assertion: Bond angle in ethers is slightly less than the tetrahedral angle.
Reason: There is a repulsion between the two bulky (–R) groups.
What is Lucas reagent?
The correct geometry around oxygen in CH3OCH3 is
Write the mechanism of acid dehydration of ethanol to yield ethene.
Write the mechanism of acid dehydration of ethanol to yield ethene.
