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STD 11 - 8.4. Organic chemistry reaction mechanism — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 8.4. Organic chemistry reaction mechanism4 Marks
MCQ
In the following groups

$\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}$

The order of leaving group ability is

  • A
    $I > II > III > IV$
  • ✓
    $IV > III > I > II$
  • C
    $III > II > I > IV$
  • D
    $II > III > IV > I$
✓

Answer

Correct option: B.
$IV > III > I > II$
b
(b) $IV > III > I > II.$

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