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STD 11 - 8.2 Organic chemistry isomerism — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 8.2 Organic chemistry isomerism4 Marks
MCQ
The $IUPAC$ name of the following compound is

$\begin{array}{*{20}{c}}
  {^{C{H_3}}} \\ 
  {_H} 
\end{array}\begin{array}{*{20}{c}}
  {{\text{ }}\backslash {\text{ }}} \\ 
  / 
\end{array}\mathop C\limits^{} {\mkern 1mu}  = \mathop C\limits^{} {\mkern 1mu} \begin{array}{*{20}{c}}
  / \\ 
  {{\text{ }}\backslash {\text{ }}} 
\end{array}_{\mathop C\limits^{} {\kern 1pt}  \equiv \mathop C\limits^{} {\kern 1pt}  - \mathop C\limits^{} {\kern 1pt} {H_2}\mathop C\limits^{} {\kern 1pt} {H_3}}^H{\mkern 1mu} $

  • ✓
    $(E)-2-$ hepten $-4-$ yne
  • B
    $(Z)-5-$ hepten $-3-$ yne
  • C
    $(E)-5-$ hepten $-3-$ yne
  • D
    $(Z)-2-$ hepten $-4-$ yne
✓

Answer

Correct option: A.
$(E)-2-$ hepten $-4-$ yne
a
$\underset{(E)\,-2-hepten-4-yne}{\mathop{\begin{matrix}
   ^{\overset{1}{\mathop{C}}\,{{H}_{3}}}  \\
   _{H}  \\
\end{matrix}\begin{matrix}
   \text{ }\!\!\backslash\!\!\text{ }  \\
   /  \\
\end{matrix}\overset{2}{\mathop{C}}\,=\overset{3}{\mathop{C}}\,\begin{matrix}
   /  \\
   \text{ }\!\!\backslash\!\!\text{ }  \\
\end{matrix}_{\overset{4}{\mathop{C}}\,\equiv \overset{5}{\mathop{C}}\,-\overset{6}{\mathop{C}}\,{{H}_{2}}\overset{7}{\mathop{C}}\,{{H}_{3}}}^{H}}}\,$

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