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प्रश्न
Identify A, B, C in the following reaction sequence:
\[\ce{CH3 - CH = CH2 ->[Br2/CCl4][room temperature] A ->[Zn] B ->[dil. alkaline][KMnO4] C}\]
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उत्तर
\[\begin{array}{cc}
\ce{H\phantom{....}H\phantom{...............}}\\
|\phantom{.....}|\phantom{...............}\\
\ce{CH3\underset{Propene}{- CH =} CH2 ->[Br2/CCl4][room temperature] CH3 - C - C - H ->[Zn] CH3 \underset{\overset{Propene}{(B)}}{- CH = C}H2 ->[dil.alkaline][KMnO4] CH3 - CH - CH2}\\
\phantom{........................................}|\phantom{.....}|\phantom{..............................................}|\phantom{......}|\phantom{..}\\
\ce{\phantom{.......................................}\underset{\overset{1,2-Dibromopropane}{(A)}}{Br\phantom{...} Br}\phantom{...........................................}\underset{\overset{Propane-1,2-diol}{(C)}}{OH\phantom{...}OH}}\end{array}\]
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\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[Benzoyl][peroxide] H3C - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]
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\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide]CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\\
\end{array}\]
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\[\begin{array}{cc}
\phantom{.............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}\\
\end{array}\]
- Write IUPAC name of the product.
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\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH_3}\phantom{.................................}
\end{array}\]
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\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{.................................}
\end{array}\]
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\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{............................}|\\
\ce{CH3 - C = CH2 + HBr ->[benzoyl][peroxide] CH3 - CH - CH2Br}\\
|\phantom{....................................}\\
\ce{CH3}\phantom{..................................}
\end{array}\]
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