
$(1)\,\,(CH_3)_3C-Br$ $(2)\,\,(C_6H_5)_2CH-Br$
$(3)\,\,(C_6H_5)_2C(CH_3)Br$ $(4)\,\,(CH_3)_2CH-Br$
$(5)\,\,C_2H_5Br$



$\begin{array}{*{20}{c}}
{C{H_3}} \\
|\,\,\,\,\,\, \\
{C{H_{_3}} - C - C{H_2}Br} \\
|\,\,\,\,\,\, \\
H\,\,\,\,
\end{array}\,\xrightarrow[{C{H_3}OH}]{{C{H_3}{O^ - }}}$