In the following reaction, $A$ and $B$ respectively are $A \stackrel{\mathrm{HBr}}{\longrightarrow}…

In the following reaction, $A$ and $B$ respectively are $A \stackrel{\mathrm{HBr}}{\longrightarrow} \mathrm{C}_2 \mathrm{H}_5 \mathrm{Br} \stackrel{B}{\longrightarrow} A$
  1. $\mathrm{C}_2 \mathrm{H}_4$ and alcoholic $\mathrm{KOH} / \Delta$
  2. $\mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl}$ and aqueous $\mathrm{KOH} / \Delta$
  3. $\mathrm{C}_2 \mathrm{H}_2$ and $\mathrm{PBr}_3$
  4. None of these

Solution


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Asked in: JEE-TOPICTESTS-CHEMISTRY

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