MCQ
The $IUPAC$ nomenculature of $(CH_3)_3C-CH=C(CH_3)_2$ is
- A$2,4,4-$ Trimethylpent $-3-$ ene
- ✓$2,4,4-$ Trimethylpent $-2-$ ene
- C$2,2,4-$ Trimethylpent $-3-$ ene
- D$2,2,4-$ Trimethylpent $-2-$ ene
✓
Answer
Correct option: B.
$2,4,4-$ Trimethylpent $-2-$ ene
b
$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\mathop C\limits_5 {H_3} - \mathop C\limits_4 - \mathop C\limits_3 H = \mathop C\limits_2 - \mathop C\limits_1 {H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_{3\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}}
\end{array}$
$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\mathop C\limits_5 {H_3} - \mathop C\limits_4 - \mathop C\limits_3 H = \mathop C\limits_2 - \mathop C\limits_1 {H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_{3\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}}
\end{array}$
$2,4,4-Trimethylpent-2-ene$
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