AP EAMCET · Chemistry · Haloalkanes and Haloarenes
What are \(\mathrm{A}, \mathrm{B}\) and \(\mathrm{C}\) in the following reaction sequence?
Ethene \(\xrightarrow{\mathrm{HBr}} \mathrm{A} \xrightarrow{\mathrm{KCN}} \mathrm{B} \xrightarrow{\mathrm{H}^{\oplus} / \mathrm{H}_2 \mathrm{O}} \mathrm{C}\)
- A \(\begin{array}{ccc}
\underline{\mathrm{A}} & \underline{\mathrm{B}} & \underline{\mathrm{C}} \\
\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br} & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN} & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CO}_2 \mathrm{H} \\
\end{array}\) - B \(\begin{array}{ccc}
\underline{\mathrm{A}} & \underline{\mathrm{B}} & \underline{\mathrm{C}} \\
\mathrm{CH}_2=\mathrm{CHBr} & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN} & \mathrm{CH}_3 \mathrm{CO}_2 \mathrm{H} \\
\end{array}\) - C \(\begin{array}{ccc}
\underline{\mathrm{A}} & \underline{\mathrm{B}} & \underline{\mathrm{C}} \\
\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br} & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NC} & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NHCH}_3 \\
\end{array}\) - D \(\begin{array}{ccc}
\underline{\mathrm{A}} & \underline{\mathrm{B}} & \underline{\mathrm{C}} \\
\mathrm{CH}_2=\mathrm{CHBr} & \mathrm{CH}_2=\mathrm{CHCN} & \mathrm{CH}_2=\mathrm{CHCOOH}
\end{array}\)
Answer & Solution
Correct Answer
(A) \(\begin{array}{ccc}
\underline{\mathrm{A}} & \underline{\mathrm{B}} & \underline{\mathrm{C}} \\
\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br} & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN} & \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CO}_2 \mathrm{H} \\
\end{array}\)
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