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प्रश्न
Suggest a reagent for the following conversion.
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उत्तर
Pyridinium chlorochromate (PCC), a complex of chromium trioxide with pyridine and HCl.
\[\ce{CH3 - CH = CH - CH2OH ->[PCC] CH3 - CH = CH - CHO}\]
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संबंधित प्रश्न
Write the final product(s) in each of the following reactions:
Give reasons for the following:
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Give the equation of the following reaction:
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Oxidation of a primary alcohol to carboxylic acid.
Name the reagent used in the following reaction:
Oxidation of a primary alcohol to aldehyde.
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.)
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Write the chemical equation in support of your answer.
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Write the mechanism of acid dehydration of ethanol to yield ethene.
Write the mechanism of acid-catalysed dehydration of ethanol to yield ethene.
Write the mechanism of acid dehydration of ethanol to yield ethene.
