MCQ
Which kind of isomerism will butene$-2$ show
  • Geometrical
  • B
    Optical
  • C
    Position
  • D
    None of these

Answer

Correct option: A.
Geometrical
a
(a) $2-$ butene shows geometrical isomerism.

$\mathop {\begin{array}{*{20}{c}}{H - C - C{H_3}}\\{|\,|\,\,\,\,\,}\\{H - C - C{H_3}}\end{array}}\limits_{{\rm{cis - Butene - 2}}} $ $\mathop {\begin{array}{*{20}{c}}{\,\,\,\,\,H - C - C{H_3}}\\{|\,|}\\{C{H_3} - C - H\,\,\,\,\,\,}\end{array}}\limits_{{\rm{trans - Butene - 2}}} $

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