$\begin{matrix}
O\,\,\,\,\,\, \\
||\,\,\,\,\,\, \\
R-C-N{{H}_{2}} \\
\end{matrix}$ $+xNaOH+B{{r}_{2}}\to $ $R-N{{H}_{2}}+2NaBr$ $+N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}O$
O\,\,\,\,\,\, \\
||\,\,\,\,\,\, \\
R-C-N{{H}_{2}} \\
\end{matrix}$ $+xNaOH+B{{r}_{2}}\to $ $R-N{{H}_{2}}+2NaBr$ $+N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}O$
Number of moles of $NaOH $ used in above Hoffmann bromamide reaction is
Medium
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