Identify ' $\mathrm{B}^{\prime}$ in the following series of reactions $\text { Ethanol }…
Identify ' $\mathrm{B}^{\prime}$ in the following series of reactions
$\text { Ethanol } \frac{\mathrm{NaBr}}{\mathrm{H}_{2} \mathrm{SO}_{4}, \Delta} \quad \mathrm{A} \quad \frac{\mathrm{Mg}}{\text { Dry ether }}{\longrightarrow} \mathrm{B}$