$\begin{array}{*{20}{c}}{ - OAc}\\{\rm{I}}\end{array}$$\begin{array}{*{20}{c}}{ - OMe}\\{{\rm{II}}}\end{array}$$\begin{array}{*{20}{c}}{ - OS{O_2}Me}\\{{\rm{III}}}\end{array}$$\begin{array}{*{20}{c}}{ - OS{O_2}C{F_3}}\\{{\rm{IV}}}\end{array}$
સમુહ મુક્ત કરવાની ક્ષમતાનો ક્રમ શું છે?
$(1)\,\,{{(C{{H}_{3}})}_{3}}\bar{\ddot{C}}$
$(2)\,\,{{(C{{H}_{3}})}_{2}}\bar{\ddot{C}}$
$\,(3)\,\,C{{H}_{3}}\bar{\ddot{C}}{{H}_{2}}$
$(4)\,\,{{C}_{6}}{{H}_{5}}\bar{\ddot{C}}{{H}_{2}}$