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Questions
Write the equation for the preparation of 1-iodobutane from 1-chlorobutane.
How would you prepare 1-iodobutane from 1-chlorobutane? Mention the equations only.
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Solution
\[\ce{CH3 - (CH2)2 - CH2 - Cl + NaI ->[dry acetone][Finkelstein reaction]CH3 - (CH2)2 - CH2I + NaCl}\]
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\[\begin{array}{cc}
\ce{H3C}\phantom{..................................}\\
\backslash\phantom{...........................}\\
\ce{CH - CH2 - CH3}\\
/\phantom{...........................}\\
\ce{H3C}\phantom{...................................}
\end{array}\]
