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प्रश्न
An organic compound A with the molecular formula (+) C4H9Br undergoes hydrolysis to form (+) C4H9OH. Give the structure of A and write the mechanism of the reaction.
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उत्तर
\[\begin{array}{cc}\ce{C2H5 - CH - CH3}\\
|\phantom{.}\\\ce{Br}\end{array}\]
Mechanism:
\[\begin{array}{cc}
\ce{H}\phantom{.................}\ce{H}\\
|\phantom{..................}|\\
\ce{H3C - C - C2H5 ->[Slow step] C^⊕ + B\overset{⊖}{r}}\\
\phantom{...}|\phantom{................}/\phantom{...}\backslash\\
\phantom{.......}\ce{Br}\phantom{...........}\ce{H3C}\phantom{....}\ce{C2H5}
\end{array}\]
\[\begin{array}{cc}
\ce{H}\phantom{....................}\ce{H}\phantom{...............}\ce{H}\phantom{.......}\\
|\phantom{.....................}|\phantom{................}|\phantom{.......}\\
\ce{C^⊕ + O\overset{⊖}{H} ->[Fast] H3C - C - OH + HO - C - CH3}\\
/\phantom{..}\backslash\phantom{....................}|\phantom{.................}|\phantom{.........}\\
\ce{H3C}\phantom{...}\ce{C2H5}\phantom{...............}\ce{C2H5}\phantom{.............}\ce{C2H5}\phantom{........}
\end{array}\]
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संबंधित प्रश्न
Write the structure of the major organic product in the following reaction:
\[\ce{CH3CH2Br + KCN ->[aq{.} ethanol]}\]
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Which of the following reactions is an example of nucleophilic substitution reaction?
In the SN1 reaction, racemization takes place. It is due to:
An important chemical method to resolve a racemic mixture makes use of the formation of ______.
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\[\ce{CH3-CH2-Cl}\] or \[\ce{C6H5-CH2-Cl}\]
Compound ‘A’ with molecular formula \[\ce{C4H9Br}\] is treated with aq. \[\ce{KOH}\] solution. The rate of this reaction depends upon the concentration of the compound ‘A’ only. When another optically active isomer ‘B’ of this compound was treated with aq. \[\ce{KOH}\] solution, the rate of reaction was found to be dependent on concentration of compound and \[\ce{KOH}\] both.
(i) Write down the structural formula of both compounds ‘A’ and ‘B’.
(ii) Out of these two compounds, which one will be converted to the product with inverted configuration.
The major product formed in the following reaction is:
Inversion of configuration occurs in ______.
