MCQ
$R$ is
- A$CH_3-$
- ✓$CH_3-CH_2-$
- C$\begin{array}{*{20}{c}}
{C{H_3} - CH - } \\
{\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}}
\end{array}$ - D$CH_3-CH_2-CH_2-$
✓
Answer
Correct option: B.
$CH_3-CH_2-$
b
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