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8.2 Organic chemistry isomerism — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry8.2 Organic chemistry isomerism1 Mark
MCQ
Which will have enantiomer
  • ✓
    $\begin{array}{*{20}{c}}
      {C{H_3}C{H_2}CH - C{H_3}} \\ 
      {\,|} \\ 
      {\,\,\,Cl} 
    \end{array}$
  • B
    $C{H_2}C{H_2}C{H_2}C{H_2}Cl$
  • C
    $C{H_3}C{H_2}C{H_2}CHC{l_2}$
  • D
    None
✓

Answer

Correct option: A.
$\begin{array}{*{20}{c}}
  {C{H_3}C{H_2}CH - C{H_3}} \\ 
  {\,|} \\ 
  {\,\,\,Cl} 
\end{array}$
a
(a) $2-$chloro butane has a chiral carbon atom, hence only it will show optical activity and will possess two enantiomers (one chiral carbon atom).

$C{H_3}C{H_2} - \mathop {\mathop {\mathop {{C^ \bullet }}\limits_|^| }\limits^H - }\limits_{Cl\;} C{H_3}$

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